List of people with surname Williams
Appearance
Williams is a common European surname. This list provides links to biographies of people who share this common surname.
A
- Aaron Williams (disambiguation), multiple people
- Aaron Williams (composer) (1731–1776), British composer
- Aaron Williams (ventriloquist), American ventriloquist
- Aaron S. Williams, Director of the Peace Corps
- Aaron Williams (basketball) (born 1971), American basketball player
- Aaron Williams (boxer) (born 1986), American boxer
- Aaron Williams (American football) (born 1990), American football cornerback
- Aaron Williams (footballer) (born 1993), English footballer
- Aaron Williams (cartoonist), American cartoonist
- Abi Williams, Welsh nationalist politician
- Abigail Williams (Salem witch trials) (1680–1???), American accuser in the Salem witch trials
- Abiodun Williams (born 1961), academic in peacekeeping and conflict prevention and management
- Abraham J. Williams (1781–1839), American politician, 3rd Governor of Missouri
- Ace Williams (1917–1999), American baseball pitcher
- A. D. Williams (1933–2019), American football player
- Adam Williams (actor) (1922–2006), American film and television actor
- Adam Williams (basketball) (born 1983), British basketball player
- Adele Williams (1868–1952), American artist
- Adele Fay Williams (1859–1937), American artist and newspaper writer
- Adim Williams, Nigerian film director
- Adrian Williams (born 1971), Welsh international footballer and football manager
- Aeneas Williams (born 1968), American football player
- Akintola Williams (born 1919), Nigerian accountant
- Al Williams (baseball) (1914–1969), American baseball pitcher
- Al Williams (basketball) (1948–2007), American basketball player
- Alain Williams (born 1954), British Olympic sprint canoer
- Alaina Williams (born 1990), American trampolinist
- Alan Williams (disambiguation), multiple people
- Alan Williams (rugby union) (1893–1984), American rugby union player who competed in the 1924 Olympics
- Alan Meredith Williams (1909–1972), British diplomat
- Alan Williams (Australian footballer) (1917–1988), Australian rules footballer
- Alan Williams (economist) (1927–2005), British health economist
- Alan Williams (Swansea West MP) (1930–2014), British Labour Party politician, MP for Swansea West 1964–2010
- Alan Lee Williams (born 1930), British Labour Party politician, MP for Hornchurch
- Alan Williams (novelist) (born 1935), British novelist, thriller writer and ex-foreign correspondent
- Alan Williams (1938–2017), English footballer
- Alan Williams (Carmarthen MP) (born 1945), British Labour Party politician, MP for Carmarthen
- Alan Williams SM (born 1951) Roman Catholic Bishop of Brentwood
- Alan Williams (composer) (born 1965), American musician
- Alan Williams (American football) (born 1969), American football coach
- Alan Williams (Florida politician) (born 1975), American politician
- Allan Williams (politician) (1922–2011), Attorney-General of British Columbia, 1979–1983
- Allan Williams (1930–2016), businessman, booking agent to The Beatles
- Albert Williams (disambiguation), multiple people
- Albert Clifford Williams (1905–1987), Welsh Labour Party politician
- Albert Lynn Williams (1911–1982), American business executive; president of IBM in the 1960s
- A. L. Williams (American football) (born 1934), head American football coach
- Albert Williams (baseball) (born 1954), Nicaraguan Major League Baseball player
- Alberta Williams King (1904–1974), American; mother of Martin Luther King, Jr.
- Aled Williams (1933–2005), Welsh footballer
- Alejandro Williams (born 1969), politician from the Dominican Republic
- Alex Williams (disambiguation), multiple people
- Alex Williams (footballer, born 1961), English goalkeeper
- Alex Williams (alpine skier) (born 1963), American alpine skier
- Alex Williams (footballer, born 1983), Scottish striker
- Alex Williams (actor) (born c.1990), Australian actor
- Alexander Williams (disambiguation), multiple people
- Alexander B. Williams (1815–?), American merchant and politician from New York
- Alexander S. Williams (1839–1917), NYPD police inspector
- Alexander Williams (artist) (1846–1930), Irish painter
- Alexander Williams, Jr. (born 1948), U.S. federal judge
- Alexander Williams (cartoonist) (born 1967), English animator and cartoonist
- Alfred Williams (disambiguation), multiple people
- Alfred Walter Williams (1824–1905), English landscape painter
- Alfred Williams (poet) (1877–1930), British poet
- A. P. Williams (died 1933), Australian cricket Test match umpire
- Ali Williams (born 1981), New Zealand rugby union international
- Allison Williams (disambiguation), multiple people
- Allison Williams (actress) (born 1988), American actress and comedian
- Allison Williams (reporter) (born 1984), Fox Sports Florida sportscaster
- Allison Williams (Miss West Virginia) (born c.1981), 2003 pageant titleholder
- Alun Williams (1920–1992), Welsh radio presenter
- Alvin Williams (American football) (born 1965), American football player
- Alvin Williams (born 1974), American basketball player
- Alwyn Williams (bishop) (1888–1968), Bishop of Durham, 1939–52, and Bishop of Winchester, 1952–61
- Alwyn Williams (geologist) (1921–2004), Welsh geologist
- Alyson Williams (born 1962), American R&B singer
- Amanda Williams (born 1946), American Superior Court Judge
- Amanda Kyle Williams (born 1957), American crime writer
- Amy Williams (tennis) (1872–1969), American tennis player
- Amy Williams (born 1982), English skeleton racer and Olympic gold medalist
- Amy Williams (rugby union) (born 1986), New Zealand rugby union player
- Anastasia P. Williams (born 1957), American politician in Rhode Island
- Andrae Williams (born 1983), Bahamian Olympic sprint athlete
- Andre Williams (born Zephire Andre Williams 1936–2019), American R&B and rock and roll musician
- Andre Williams (American football) (born 1992), American football running back
- Andrew and Andy Williams (disambiguation), multiple people
- Andrew Williams (congressman) (1828–1907), U.S. Representative from New York
- Andrew Williams (New Zealand politician) (born 1959), New Zealand First MP and Mayor of North Shore City
- Andrew Williams (novelist) (born 1962), British writer
- Andrew Williams (cricketer) (born 1965), Welsh cricketer
- Andrew Williams (American football) (born 1979), American football player
- Andrew Williams (Australian footballer) (born 1979), Australian rules footballer
- Andy Williams (1927–2012), American singer
- Andy Williams (footballer, born 1962), English footballer of the 1980s and 1990s
- Andy Williams (Doves) (born 1970), member of the band Doves
- Andy Williams (footballer, born September 1977), Canadian-born Jamaican football (soccer) player
- Andy Williams (footballer, born October 1977), former Wales international footballer
- Andy Williams (rugby union) (born 1981), Welsh international rugby union player
- Andy Williams (footballer, born 1986), footballer currently playing for Swindon Town
- Andy Williams (American football), former head football coach for Washburn University in Topeka, Kansas
- Angel Kyodo Williams (born 1969), American writer and Buddhist priest
- Angel Williams (born 1981), Canadian female pro wrestler
- Angela Williams (disambiguation)
- Angela Williams (sprinter born 1980) (born 1980), American sprinter
- Angela Williams (politician) (born 1964), Member of the Colorado House of Representatives
- Anita Álvarez de Williams (born 1931), American anthropologist, photographer and historian
- Ann, Anna, Anne and Annie Williams (disambiguation), multiple people
- Ann Williams (actress) (1936–1985), American actress
- Ann Claire Williams (born 1949), American federal judge
- Ann Williams (politician) (born 1968), American politician
- Ann Williams (historian) (born 1937), British historian
- Anna Williams (poet) (1706–1783), writer and friend of Dr Johnson
- Anna Maria Williams (1839–1929), New Zealand teacher and school principal
- Anna Willess Williams (1857–1926), American teacher and writer best known as the model for the silver dollar design
- Anna Wessels Williams (1863–1954), pioneering female doctor and bacteriologist
- Anna-Lynne Williams (born 1978), lead singer of the band Trespassers William
- Anne Williams Wheaton (1892–1977), American publicist
- Anne Williams (activist) (1951–2013), British campaigner
- Annie Williams (painter) (born 1942), British artist
- Annie Williams (singer), American singer-songwriter
- Annabelle Williams (born 1988), Australian Paralympic swimmer
- Annette Polly Williams (1937–2014), American politician
- Anson Williams (born 1949), American actor
- Anthony and Antony Williams (disambiguation), multiple people
- Anthony D. Williams (politician) (1799–1860), Liberian politician
- Anthony Williams (Medal of Honor) (1822–?), American Civil War sailor and Medal of Honor recipient
- Anthony Williams (bishop) (1892–1975), Anglican bishop in the Caribbean
- Anthony Williams (diplomat) (1923–1990), former British Ambassador to Cambodia, Libya and Argentina
- Anthony Williams (musician) (born 1931), Trinidadian music pioneer and inventor of the steel pans
- Anthony A. Williams (born 1951), Washington D.C. mayor, 1999–2007
- Anthony H. Williams (born 1957), Pennsylvania State Senator
- Anthony Williams, known as Roc Raida (1972–2009), American turntablist and hip hop deejay
- Anthony D. Williams (author) (born 1974), co-author of Wikinomics
- Anthony Williams (footballer) (born 1977), Welsh goalkeeper who plays for Wrexham A.F.C.
- Anthony Williams (comics), Welsh artist
- Antony John Williams (born 1965), Welsh chemist, president of ChemSpider
- Antonio Williams (Medal of Honor) (1825–1908), American Medal of Honor recipient
- Archibald Williams (judge) (1801–1863), United States federal judge
- Archibald Hunter Arrington Williams (1842–1895), Democratic U.S. Congressman from North Carolina
- Archie Williams (1915–1993), American athlete
- Archie Williams (footballer) (1927–1985), Scottish footballer
- Aric Williams (born 1982), American footballer
- Arlene Williams (1946–2017), American TV chef
- Armstrong Williams (born 1959), American political columnist
- Arnold Williams (disambiguation), multiple people
- Art and Arthur Williams (disambiguation), multiple people
- Art Williams (outfielder) (1877–1941), American Major League Baseball player
- Art Williams (umpire) (1934–1979), American National League umpire
- Art Williams (1939–2018), American basketball player
- Arthur John Williams (1834–1911), Welsh lawyer, author and Member of Parliament for South Glamorganshire
- Arthur Trefusis Heneage Williams (1837–1885), Canadian politician and soldier
- Arthur Williams (actor) (1844–1915), English actor, singer and playwright
- Arthur Williams (bishop) (1848–1914), Anglican colonial bishop
- Arthur Stanley Williams (1861–1938), British solicitor and amateur astronomer
- Arthur B. Williams (1872–1925), U.S. congressman from Michigan
- Arthur Williams (Australian politician) (1888–1968), Australian politician
- Arthur Henry Williams (1894–1968), Canadian trade unionist and politician
- Arthur Williams (priest) (1899–1974), English Anglican Archdeacon of Bodmin
- Arthur James Williams, pilot who helped develop aviation in Guyana, then British Guiana
- Arthur Henry Winnington Williams (1913–2012), member of the Jamaican House of Representatives
- Arthur E. Williams (born 1938), U.S. Army general
- Arthur L. Williams, Jr. (born 1942), founder of Primerica Financial Services
- Arthur Williams (Elevator Bandit) (1946–2010), American career criminal known as the "Elevator Bandit"
- Arthur Williams (boxer) (born 1964), American boxer
- Arthur J. Williams Jr. (born 1972), American-born counterfeiter and artist
- Arthur J. Williams, member of the North Carolina General Assembly
- A. S. Williams (born 1970), English cricketer
- Ashley Williams (disambiguation), multiple people
- Ashley Williams (actress) (born 1978), American actress
- Ashley C. Williams (born 1984), American actress, singer, dancer and producer
- Ashley Williams (footballer, born 1984), Welsh footballer
- Ashley Williams (boxer) (born 1991), Welsh boxer
- Ashley Williams (footballer, born 2000), Liberian footballer
- Athol Williams (born 1970), South African poet and social philosopher
- Audrey Williams (1923–1975), American country musician
- Audrey Williams (archaeologist) (1902–1978), Welsh archaeologist
- Augustine Podmore Williams (1852–1916), English mariner
- Austin Williams (born 1996), American actor
- Avondale Williams (born 1977), British Virgin Islands footballer and manager
- Avril Williams (born 1961), South African rugby union international
- Axel Williams (born 1983), Tahitian international footballer
B
- Barbara Williams (disambiguation), multiple people
- Barbara Roles Williams (born 1941), American figure skater
- Barbara Williams (actress) (born 1953), Canadian-born American actress
- Barbara Williams (skating coach), American ice hockey skating coach
- Barney Williams (disambiguation), multiple people
- Barney Williams (actor) (1824–1876), Irish-American star comedian in New York City
- Barney Williams (boxer) (1891–1949), American light heavyweight champion a/k/a Battling Levinsky
- Barney Williams (songwriter) (1931–2009), American record producer and singer a/k/a Luther Dixon
- Barney Williams (rower) (born 1977), Canadian Olympic medalist
- Barrie Williams (born 1955), English football manager
- Barry Williams (disambiguation), multiple people
- Barry Williams (spree killer) (1944–2014), British spree killer
- Barry Williams (actor) (born 1954), American actor
- Barry Williams (rugby league) (born ????) Welsh rugby league international
- Barry Williams (rugby union) (born 1974) Welsh rugby union international and British Lion
- Bart Williams (actor) (1949–2015), American character actor and documentary filmmaker
- Bart Williams (rugby league), rugby league player
- Barton Williams (born 1956), American Olympic-grade hurdler
- Basil Williams (disambiguation), multiple people
- Basil Williams (historian) (1867–1950), English historian
- Basil Williams (figure skater) (1891–1951), British single skater and pair skater
- Basil Williams (cricketer) (1949–2015), Jamaican West Indian cricketer
- Beatrice Williams née Kerr (1887–1971), Australian swimmer and diver
- Beau Williams (born 1950), American gospel singer
- Becky Williams, American Union activist
- Bedwyr Williams (born 1974), Welsh artist
- Ben Williams (disambiguation), multiple people
- Ben Williams (actor) (1892–1959), British actor of the 1940s
- Ben Ames Williams (1899–1953), American writer
- Ben Williams (footballer, born 1900) (died 1968), Swansea Town, Everton and Wales international footballer
- Ben Williams (American football, born 1954) (born 1954), American football defensive lineman
- Ben Williams (American football, born 1970), American football defensive lineman
- Ben Williams (referee) (born 1977), Australian soccer referee
- Ben Williams (footballer, born 1982), English football goalkeeper
- Ben Williams (footballer, born 1999), Welsh football defender
- Ben H. Williams (????–????), American; Industrial Workers of the World leader
- Benjamin Williams (disambiguation), multiple people
- Benjamin Williams (1751–1814), American; 11th and 14th governor of North Carolina
- Benjamin Samuel Williams (1824–1890), English orchidologist and nurseryman
- Benjamin Thomas Williams (1832–1890), British Member of Parliament for Carmarthen, 1878–1882
- Benjamin Williams (Vermont) (1876–1957), American politician, lieutenant governor of Vermont, 1931–1933
- Benny Williams (1931–2007), American bluegrass musician
- Bergen Williams (born 1959), American actress
- Bernard Williams (disambiguation), multiple people
- Bernard Williams (priest) (1869–1943), English Anglican priest
- Bernard Williams (footballer) (1908–2004), Irish footballer
- Bernard Williams (1929–2003), English philosopher
- Bernard Williams (gridiron football) (born 1972), American-born Canadian Football League player
- Bernard Williams (athlete) (born 1978), American athlete
- Bernard Williams (producer) (1942–2015), film producer
- Bernice Williams (born 19??), American songwriter
- Bernie Williams (disambiguation), multiple people
- Bernie Williams (basketball) (1945–2002), American basketball player
- Bernie Williams (1970s outfielder) (born 1948), American National League baseball outfielder
- Bernie Williams (born 1968), Puerto Rican pro baseball player with the New York Yankees
- Bert Williams (1874–1922), American comedian and entertainer
- Bert Williams (footballer, born 1905) (1905–1974), Welsh professional footballer
- Bert Williams (footballer, born 1920) (1920–2014), English international goalkeeper
- Bertie Williams (1907–1968), Welsh football international
- Beryl Alice Evans née Williams (1922–2006), Australian politician
- Betty Williams (Nobel laureate) (1943–2020), Nobel Peace Prize recipient from Northern Ireland
- Betty Williams (politician) (born 1944), Welsh Labour Party politician and MP
- Betty Smith Williams, American nurse
- Beverly Williams (born 1947), American TV news anchor
- Bianca Williams (born 1993), British sprint athlete
- Bill Williams (disambiguation), multiple people
- Bill Williams (1900s footballer) (born 1880s), English football (soccer) player
- Bill Williams (actor) (1915–1992), American film actor
- Bill Williams (Australian footballer) (1925–2016), Australian rules footballer
- Bill Williams (journalist) (born 1934), American television journalist
- Bill Williams (footballer, born 1942), English football (soccer) player
- Bill Williams (game designer) (1960–1998), designer and programmer of Atari 8-bit and Amiga games
- Bill Williams (footballer, born 1960), English football (soccer) player
- Bill Williams (trader) (born 1932), American trader and author
- Billy Williams (disambiguation), multiple people
- Billy Williams (footballer, born 1876) (1876–1929), England and West Bromwich Albion footballer
- Billy Williams (music hall performer) (1878–1915)
- Billy Williams (cricketer, born 1861) (1861-1951), Middlesex and MCC cricketer
- Billy Williams (cricketer, born 1887) (1887–1966), Yorkshire cricketer
- Billy Williams (rugby, born 1905) (1905–1973), rugby union and rugby league footballer for Great Britain and Wales
- Billy Williams (footballer, born 1905) (1905–1994), former West Ham United and Chelsea footballer
- Billy Williams (singer) (1910–1972), R&B singer
- Billy Williams (cinematographer) (born 1929), British cinematographer
- Billy Williams (rugby, born 1929) (1929–2013), Wales and British and Irish Lions international rugby union player
- Billy Williams (umpire) (1930–1998), baseball umpire
- Billy Williams (right fielder) (1932–2013), baseball player for the 1969 Seattle Pilots
- Billy Dee Williams (born 1937), American actor
- Billy Williams (left fielder) (born 1938), Hall of Fame baseball player for the Chicago Cubs and Oakland A's
- Billy Williams (basketball) (born 1958), retired American basketball player
- Billy Williams (American football) (born 1971), American football player
- Billy Drease Williams, American hip hop emcee and producer
- Bisa Williams (born 1954), American diplomat: Deputy Assistant Secretary, Bureau of African Affairs
- Blake Williams (basketball) (1924–2003), American basketball player
- Blake Williams (born 1985), Australian motorsports competitor
- Bo Williams (born 1938), American politician
- Bob, Bobbie and Bobby Williams (disambiguation), multiple people
- Bob Williams (coach) (1877–1957), college American football coach active in the 1900s and 1910s
- Bob Williams (baseball) (1884–1962), baseball player for the New York Highlanders/Yankees
- Bob Williams (rugby) (1886–1969), Australian rugby league footballer
- Bob Williams (Australian rules footballer) (1913–2004), Australian rules footballer with Hawthorn
- Bob Williams (quarterback) (1930–2016), American football player for Notre Dame, 1947–1950
- Bob Williams (basketball, born 1931), former NBA player for the Minneapolis Lakers
- Bob Williams (politician) (born 1951), American politician and state senator in West Virginia
- Bob Williams (basketball, born 1953), men's basketball head coach at UC Santa Barbara
- Bob Williams (American football coach), American college football coach in 1952
- Bobbie Williams (rugby player) (1865–1967), Welsh international rugby union player
- Bobbie Williams (born 1976), American football guard
- Bobby Williams (footballer, born 1932), English footballer for Chester City
- Bobby Williams (footballer, born 1940), English footballer
- Bobby Williams (born 1958), American football tight end, coach
- Boo Williams (born 1978), American footballer
- Boris Williams (born 1957), English drummer (The Cure)
- Boyce Courtney Williams (born 1954), American educator
- Brackette Williams, American anthropologist
- Brad Williams (disambiguation), multiple people
- Brad Williams (puppeteer) (1951–1993), American puppet designer for TV programs and literacy education
- Brad Williams (mnemonist) (born 1956), one of only 25 people in the world with hyperthymestic syndrome
- Brad Williams (cricketer) (born 1974), Australian cricketer
- Brad Williams (comedian) (born 1984), comedian and actor
- Brady Williams (born 1979), American baseball player and manager
- Brandi Williams (born 1982), American actress and singer-songwriter
- Brandon Williams (disambiguation), multiple people
- Brandon Williams (basketball) (born 1975), American basketball player
- Brandon Williams (cornerback, born 1980), American football cornerback
- Brandon Williams (cornerback, born 1992), American football cornerback
- Brandon Williams (wide receiver) (born 1984), American football wide receiver
- Brandon Williams (tight end) (born 1987) American football tight end for the Carolina Panthers
- Brandon Williams (linebacker) (born 1988), American football linebacker
- Brandon Williams (cricketer) (born 1989), South African cricketer
- Brandon Williams (defensive tackle) (born 1989), American football defensive tackle
- Brandon Williams (footballer) (born 2000), English footballer
- Brenda Williams (born 1949), South African cricketer
- Brendan Williams (born 1968), American politician in Washington State
- Brendan Williams (rugby union) (born 1978), Australian rugby union footballer
- Brennan Williams (born 1991), American footballer
- Brent Williams (American football) (born 1964), NFL footballer of the 1980s and 1990s
- Brent Williams (Australian footballer) (born 1978), Australian rules footballer for Adelaide
- Brett Williams (disambiguation), multiple people
- Brett Williams (defensive lineman) (born 1958), Canadian football player
- Brett Williams (footballer, born 1968), English footballer
- Brett Williams (offensive lineman) (born 1980), American football player
- Brett Williams (footballer, born 1987), English footballer
- Brian Williams (disambiguation), multiple people
- Brian Williams (politician) (born 1942), former member of the US state of Ohio's House of Representatives
- Brian Williams (sportscaster) (born 1946), Canadian sportscaster
- Brian Williams (footballer, born 1955), English former footballer
- Brian Williams (illustrator) (1956–2010), illustrator of the later Lone Wolf gamebooks
- Brian Williams (born 1959), American news reporter for NBC
- Brian Williams (rugby union) (1962–2007), former Welsh rugby player
- Brian Williams (center) (born 1966), former American football center
- Bison Dele (1969–2002), American basketball player born Brian Williams and known by that name until 1998
- Brian Williams (baseball) (born 1969), former American baseball pitcher
- Brian Williams (linebacker) (born 1972), former American football linebacker
- Brian Williams (cornerback) (born 1979), American football cornerback
- Brian Williams, Welsh experimental musician known as Lustmord
- Brian Glyn Williams, professor of Islamic history
- Brinley Williams (1895–1987), Welsh rugby union and rugby league international
- Briony Williams, Australian actress
- Britain J. Williams, American computer scientist
- Brock Williams (born 1979), American football cornerback
- Brooke Williams (born 1984), New Zealand actress
- Brooks Williams (born 1958), American guitarist and singer-songwriter
- Bruce Williams (disambiguation), multiple people
- Bruce Williams (sport shooter) (1876–????), Canadian Olympic sport shooter
- Bruce Williams (talk radio host) (1932–2019), businessman and radio talk show host
- Bruce Williams (footballer) (born 1939), Australian rules footballer
- Bruce A. Williams (born 1955), American political scientist and media studies scholar
- Bruce Williams (Royal Navy officer), Commodore in the Royal Navy
- Bryan Williams (disambiguation), multiple people
- Bryan David Williams (1926–2010), British/Canadian actor and artistic director
- Bryan Williams (English footballer) (born 1927), English footballer; midfielder for Liverpool F.C.
- Bryan Williams (rugby union) (born 1950), New Zealand rugby union player; coach of the Samoan national team
- Bryan Williams (born 1969), American rapper and record executive known as Birdman
- Bryan Williams (American football) (born 1987), American football defensive back
- Bryan C. Williams, American politician in Ohio
- Bryce Williams (rugby union) (born 1990), New Zealand rugby union footballer
- Bryce Williams (American football) (born 1993), American football player
- Bryn Williams (born 1977), Welsh chef
- Brynle Williams (1949–2011), Welsh politician
- Brynmor Williams (born 1951), Welsh rugby union international and British Lion & rugby league international
- Buck Williams (born 1960), American basketball player
- Buddug Williams, Welsh actress
- Buddy Williams (country musician) (1918–1986), Australian country musician, singer and songwriter
- Buddy Williams (jazz drummer) (born 1952), American jazz drummer
- Buffy-Lynne Williams (born 1977), Canadian rower
- Butch Williams (born 1952), American ice hockey player
- Buzz Williams (born 1972), American basketball coach
- Byron Williams (American football) (born 1960), American football wide receiver
- Byron Williams (shooter) (born 1965), American responsible for the 2010 shootout with California Highway Patrol officers in Oakland
C
- Cadillac Williams (born 1982), American footballer
- Calvin Williams (born 1967), American football wide receiver; Philadelphia Eagles, Baltimore Ravens
- Cameron Williams (born 1963), Australian journalist
- Camilla Williams (1919–2012), American operatic soprano
- Cara Williams (born 1925), American actress
- Carl Williams (disambiguation), multiple people
- Carl S. Williams (1872–1960), American football player, coach, and ophthalmologist
- Carl Williams (racing driver) (1930–1973), American racecar driver
- Carl M. Williams (born 1942), Michigan legislator
- Carl Williams (boxer) (1959–2013), aka Carl "The Truth" Williams, American boxer
- Carl Williams (criminal) (1970–2010), convicted Australian criminal
- Carleigh Williams (born 1992), American soccer player
- Carol Williams (disco musician), American disco musician
- Carol Williams (politician) (born 1949), majority leader of the Montana State Senate
- Carol Williams (organist) (born 1962), American organist and composer
- Caroline Williams (born 1957), American actress
- Caroline Randall Williams (born 1987), American writer
- Carroll Williams (1916–1991), American entomologist
- Carroll Williams (Canadian football), American player of gridiron football
- Carson Williams, American electrical engineer
- Carter Williams (born 1980), American boxer, kickboxer and mixed martial artist
- Carwyn Williams (born 1965), Welsh surfer
- Cary Williams (born 1984), American football cornerback
- Casey Kopua née Williams (born 1985), New Zealand netball international
- Cathy Williams, Trinidadian-born British novelist
- Cathay Williams (1844–1892), African–American female who posed as a man and enlisted in the US Army
- Cecil Williams (pastor) (born 1929), pastor, community leader and author
- Cecil Williams (anti-apartheid activist) (1909–1979), English-South African theatre director and anti-apartheid activist
- Cedric Williams (1913–1999), British cinematographer
- Chad Williams (disambiguation), multiple people
- Charles Williams (disambiguation), multiple people
- Charles Williams (of Llangibby) (1591–1641), English politician who sat in the House of Commons in 1621
- Sir Charles Hanbury Williams (1708–1759), Member of Parliament and satirist
- Charles K. Williams (1782–1853), governor of Vermont
- Charles Williams (caricaturist) (died 1830), British caricaturist, etcher and illustrator
- Charles Williams (MCC cricketer, 1823) (1800–1830), English first-class cricketer
- Charles Williams (academic) (1804–1877), principal of Jesus College, Oxford
- Charles James Blasius Williams (1805–1889), English physician
- Charles James Watkin Williams (1828–1884), British Member of Parliament for Caernarvonshire, 1880
- Charles G. Williams (1829–1892), U.S. Representative from Wisconsin
- Charles Greville Williams (1829–1910), English scientist and analytical chemist
- Charles Henry Williams (1834–1908), Member of Parliament for Barnstaple, 1868–1874
- Charles Frederick Williams (1838–1904), British newspaper editor and war correspondent
- Charles Theodore Williams (1838–1912), English physician
- Charles Insco Williams (1853–1923), artist and architect in Dayton, Ohio
- Charles M. Williams (coach) (fl.1894–1898), head football and basketball coach at Temple University
- Charles D. Williams (1860–1923), fourth bishop of the Episcopal Diocese of Michigan
- Charles Williams (British writer) (1886–1945), British novelist, poet and publisher
- Charles Williams (UK politician) (1886–1955), British Member of Parliament
- Charles Holston Williams (1886–1978), Hampton University, Virginia, physical educator
- Charles Williams (athlete) (1887–1971), British track and field athlete
- Charles Williams (composer) (1893–1978), British composer
- C. Dickerman Williams (1900–1998), lawyer and freedom-of-speech advocate
- Charles Williams (priest) (1906–1962), theologian and chaplain of Merton College, Oxford
- Charles Williams (U.S. author) (1909–1975), American author
- Charles M. Williams (academic) (1917–2011), Harvard Business School professor
- Charles Williams (musician) (born 1932), saxophonist
- Charles Q. Williams (1933–1982), United States Army officer and Medal of Honor recipient
- Charles Williams, Baron Williams of Elvel (1933–2019), business executive, Labour peer and cricketer
- C. K. Williams (Charles Kenneth Williams, 1936–2015), American poet
- "Prince" Charles Williams (boxer) (born 1962)
- Charles Williams (artist) (born 1965), artist in the Stuckist movement
- Charles A. Williams III (born 1973), American writer, lecturer and activist
- Charles Andrew Williams (born 1986), convicted murderer in shooting spree at Santana High School
- Charley Williams (born 1928), American boxer
- Charlie Williams (footballer) (1873–1952), English goalkeeper, first manager Danish national team
- Charlie Williams (shortstop) (1903–1931), American baseball shortstop in the Negro Leagues
- Charlie Williams (comedian) (1927–2006), British footballer and comedian
- Charlie Williams (umpire) (1943–2005), umpire in Major League Baseball
- Charlie Williams (basketball) (born 1943), basketball player
- Charlie Williams (pitcher) (1947–2015), Major League Baseball player
- Charlie Williams (motorcyclist) (born 1950), British motorcyclist
- Charlie Williams (British writer) (born 1971), author of The Mangel Trilogy
- Charlie Williams (American football) (born 1972), NFL safety for the Dallas Cowboys
- Charley Williams (born 1928), American boxer
- Charlotte Williams-Wynn (aristocrat) (c. 1754–1830), British aristocrat, daughter of the P.M. George Grenville
- Charlotte Williams-Wynn (diarist) (1807–1869), her granddaughter, British letter-writer and diarist
- Charonda Williams (born 1987), American sprint athlete
- Chavis Williams (born 1989), American football linebacker
- Chaz Williams (born 1991), American basketball player
- Chester Sidney Williams (1907–1992), American educator and author
- Chester Williams (1970–2019), South African rugby union international
- Chester Williams (police officer) (born 1973), Belizean police officer
- Cheswin Williams (born 1987), South African rugby union footballer
- Chino 'Fats' Williams (1933–2000), American actor
- Chris Williams (disambiguation), multiple people
- Chris Williams (bishop) (born 1936), Anglican bishop in Canada
- Chris Williams (journalist) (born c.1952), editor of the Scottish Daily Mail
- Chris Williams (golfer) (born 1959), South African golfer
- Chris Williams (actor) (born 1967), American voice actor
- Chris Williams (director) (born 1968), American film director, screenwriter and animator
- Chris Williams (basketball) (born 1980), American basketball player
- Chris Williams (Canadian soccer) (born 1981), Canadian soccer player
- Chris Williams (cricketer, born 1983), English cricketer
- Chris Williams (English footballer) (born 1985), English professional footballer
- Chris Williams (offensive lineman) (born 1985), American football offensive tackle
- Chris Williams (football manager) (born 1986), Australian football (soccer) manager
- Chris Williams (wide receiver) (born 1987), American Canadian Football League (CFL) wide receiver
- Chris Williams (cyclist), Welsh cyclist
- Christina Marie Williams (1985–1998), Filipino–American murder victim
- Christine Williams (model) (1945–2017), English model and actress
- Christine Williams (nutritionist), British professor of nutrition
- Christopher Williams (disambiguation), multiple people
- Christopher Harris Williams (1798–1857), U.S. congressman from Tennessee
- Christopher Sapara Williams (1855–1915), first indigenous Nigerian lawyer
- Christopher Williams (Welsh artist) (1873–1934)
- Christopher Williams (born 1951), British cartoonist known as Kipper Williams
- Christopher Williams (academic) (born 1952), English academic
- Christopher Williams (cricketer) (born 1954), Australian cricketer
- Christopher Williams (American artist) (born 1956), artist and photographer
- Christopher Williams (singer) (born 1967), R&B artist
- Christopher Williams (sprinter) (born 1972), Jamaican athlete
- Christopher Williams (soccer) (born 1984), American soccer player
- Christopher Williams, comic book illustrator known as ChrisCross
- Christy Williams (born 1980), Canadian motorcycle trials rider
- Chuck Williams (disambiguation), multiple people
- Chuck Williams (author) (1915–2015), American author and cook
- Chuck Williams (basketball) (born 1946), American basketball player Edward "Chuck" Williams
- Chuck Williams (1966–2018), American wrestler known as Rockin' Rebel
- Chuckie Williams (born 1953), American basketball player
- Ciaran Williams (born 1987), British Olympic handball player
- Cindy Williams (born 1947), American actress
- Cindy Williams (journalist) (born 1964), American journalist
- C. K. Williams (1936–2015), American poet, critic and translator
- Claire Williams (motorsport) (born 1976), deputy team principal of the Williams Formula One racing team
- Claire Williams (athlete) (born 1987), Welsh Paralympian athlete
- Clara Williams (1888–1928), American actress
- Clara Belle Williams (1885–1994), first African-American graduate of New Mexico State University
- Clarence Williams (disambiguation), multiple people
- Clarence Stewart Williams (1863–1951), U.S. Navy admiral
- Clarence Williams (baseball) (1866–1934), catcher, Cuban Giants from 1885 among others
- Clarence Williams (musician) (1898–1965), American jazz pianist
- Clarence Williams III (born 1939), American actor
- Clarence Williams (defensive end) (1946–2017), Prairie View A&M / Green Bay Packers football player
- Clarence Williams (running back, born 1955) (1955–1994), San Diego Chargers & Washington Redskins football player
- Clarence Williams (tight end) (born 1969), Washington State / Cleveland Browns football player
- Clarence Williams (running back, born 1975), known as "Pooh Bear" Williams, Buffalo Bills football player
- Clarence Williams (running back, born 1977), University of Michigan / Arizona Cardinals football player
- Clark Williams (1870–1946), American banker and New York State Comptroller 1909–1910
- Clark Williams (politician) (born 1946), American politician
- Claude Williams (disambiguation), multiple people
- Claude Williams (musician) (1908–2004), American jazz musician
- Claude Williams (baseball player) (1893–1959), Major League Baseball player known as Lefty Williams
- Claude C. Williams (1895–1979), Presbyterian minister and civil rights/labor activist
- Claude Williams (politician) (born 1955), Canadian politician in New Brunswick
- Claudia Williams (born 1996), New Zealand tennis player
- Claudia Williams (artist) (born 1933), British artist
- Clayton W. Williams, Sr. (1895–1983), American oilman; historian; first registered geologist in the state of Texas
- Clayton Williams, Jr. (1931–2020), American oilman; Republican gubernatorial nominee in Texas, 1990
- Cliff Williams (rugby player) (1898–1930), Welsh rugby union international
- Cliff Williams (born 1949), English bassist for the Australian hard rock band AC/DC
- Clifford Williams (disambiguation), multiple people
- Clifford Williams (actor) (1926–2005), Welsh theatre director and stage actor
- Clifford Williams (rugby) (1939–2014), Welsh rugby union and rugby league footballer
- Clifford Williams (academic) (born 1943), American author & philosopher
- Clive Williams (professor) (born 1945), British-born Australian Military Intelligence Officer and academic
- Clive Williams (rugby union) (born 1948), Welsh international rugby union player and British Lion
- Clyde Williams (Missouri politician) (1873–1954), U.S. Representative from Missouri
- Clyde Williams (American football) (1879–1938), American football player, coach, and administrator
- Clyde Williams (New York politician)
- Cole Williams (born 1981), American actor
- Colin Williams (disambiguation), multiple people
- Colin Welland (1934–2015), British actor and screenwriter originally named Colin Williams
- Colin H. Williams (born 1950), British sociolinguist
- Colin J. Williams (born 1950), American sociologist
- Colin Williams (priest) (born 1952), Archdeacon of Lancaster from 1999 to 2005
- Colin Williams (producer), producer for Jim Henson's Pajanimals
- Colleen Williams (born 1955), American news anchor
- Colleen Williams (soccer) (born 1991), American soccer player
- Connor Williams (disambiguation), multiple people
- Conrad Williams (athlete) (born 1982), British 400m athlete
- Constance H. Williams (born 1944), American politician in Pennsylvania
- Cora Lenore Williams (1865–1937), American educator and author
- Corey Williams (disambiguation) , multiple people
- Corey Williams (basketball, born 1970), American basketball player in the NBA
- Corey Williams (basketball, born 1977), American basketball player
- Corey Williams (producer) (born 1978), American film producer
- Corey Williams (American football) (born 1980), American football defensive tackle
- Corey Williams, (born 1981), American R&B singer and songwriter known as Latif
- Cory T. Williams, American attorney and Democratic politician in Oklahoma
- Cory Williams (born 1981), YouTube personality also known as "Mr. Safety"
- Courtney Carl Williams (born 1991), Vincentian Olympic sprinter
- Craig Williams (disambiguation), multiple people
- Craig E. Williams, American Vietnam War veteran and co-founder of the Vietnam Veterans of America Foundation
- Craig Williams (Australian footballer) (born 1954), Australian rules footballer
- Craig Williams (jockey) (born 1977), Australian jockey
- Craig Williams (born 1983), an American professional wrestler better known by his ring name Human Tornado
- Craig Williams (cricketer) (born 1984), Namibian cricketer
- Cress Williams (born 1970), German-born American actor
- Cunnie Williams (born 1963), American R&B singer
- Curtis Williams (born 1987), American actor
- Curtley Williams (born 1990), English footballer
- Cy Williams (1887–1974), American baseball player
- Cy Williams (American football) (1903–1965), American football player
- Cynda Williams (born 1966), American actress
- Cyndi Williams, American voice actress
- Cyril Williams (1921–1980), English footballer and manager
- Cyrus J. Williams, film producer
D
- Dafydd Williams (born 1954), Canadian astronaut
- Dale Williams (disambiguation), multiple people
- Daley Williams (born 1986), English rugby league footballer and Jamaican international
- Dallas Williams (born 1958), American baseball outfielder and coach
- Damian Williams (wide receiver) (born 1988), American football wide receiver
- Damien Williams (running back) (born 1992), American football running back
- Damion Williams (born 1981), Jamaican international footballer
- Damon Williams (born 1973), American basketball player
- Damond L. Williams (born 1980), American basketball player
- Dana Williams (born 1963), American baseball player
- Dan or Daniel Williams (disambiguation), multiple people
- Dan Williams (defensive end) (born 1969), American football defensive end
- Dan Williams (defensive tackle) (born 1987), American football defensive tackle
- Dan Williams (rugby union) (born 1989), English rugby union player
- Daniel Williams (theologian) (1643–1716), Welsh theologian
- Daniel Hale Williams (1858–1931), American surgeon
- Daniel Day Williams (1910–1973), American process theologian, professor, and author
- Daniel Williams (Governor-General) (born 1935), Governor-General of Grenada
- Daniel Lewis Williams, American operatic basso profundo
- Daniel Williams (cricketer) (born 1981), English cricketer
- Daniel Williams (historian) (1932–2010), American archivist and historian
- Daniel Williams (judoka) (born 1989), British judoka
- Danny Williams (disambiguation), multiple people
- Danny Williams (footballer, born 1924) (1924–2019), English footballer for Rotherham Utd; football manager
- Danny Williams (singer) (1942–2005), South African-born popular musician
- Danny Williams (politician) (born 1949), former Premier of Newfoundland and Labrador
- Danny Williams (boxer) (born 1973), British heavyweight boxer best known for his 2004 knockout of Mike Tyson
- Danny Williams (rugby league, born 1973), Australian rugby league footballer
- Danny Williams (footballer, born 1979), former Kidderminster Harriers and Wrexham player
- Danny Williams (footballer, born 1981), formerly of Chesterfield and Hereford United
- Danny Williams (rugby) (born 1986), English rugby league and union footballer
- Danny Williams (rugby league born 1986 in Australia), Australian rugby league footballer
- Danny Williams (footballer, born 1988), Caley Thistle winger
- Danny Williams (soccer, born 1989), Reading midfielder and USA international
- Dar Williams (born 1967), American pop–folk singer–songwriter
- Darious Williams (born 1993), American football player
- Darnell Williams (born 1955), British actor
- Darrel Williams (born 1995), American footballer
- Darrell Williams (disambiguation)
- Darren Williams (Australian rules footballer) (born 1960), Australian rules footballer with Essendon
- Darren Williams (author) (born 1967), Australian novelist
- Darren Williams (born 1977), English soccer player
- Darrent Williams (1982–2007), American football player
- Darrin Williams, American politician from Arkansas
- Darryl Williams (disambiguation)
- Darwyn Williams (born 1960), American businessman
- Daryl Williams (disambiguation)
- Das Williams (born 1974), American Democratic politician
- Dave, Davey and David Williams (disambiguation), multiple people
- Dave Williams (1900s pitcher) (1881–1918), Major League Baseball pitcher during part of the 1902 season
- Dave Williams (Welsh footballer) (1942–2015), former Newport County footballer
- Dave Williams (wide receiver) (born 1945), former NFL player
- Dave Williams (running back) (born 1954), former professional American football player
- Dave Tiger Williams (born 1954), Canadian ice hockey player
- Dave Williams (radio announcer) (born 1971), Australian radio host
- Dave Williams (singer) (1972–2002), American singer for the band Drowning Pool
- Dave Williams (born 1972), wrestler better known by the ring name David Young (wrestler)
- Dave Williams (rugby league, born 1967), rugby league footballer of the 1990s for Wales, Welsh Studenst, and South Wales Dragons
- Dave Williams (2000s pitcher) (born 1979), pitcher in Major League Baseball
- Dave Williams (rugby league) (born 1989), rugby league footballer for Harlequins RL
- Davey Williams (1927–2009), American baseball All–Star second baseman for the New York Giants; coach
- Davey Williams (musician) (1952–2019), American free improvisation and avant-garde music guitarist
- Davey Williams (American football) (born 1954), American football player
- David Williams (1709–1784), Independent minister and schoolmaster
- David Williams (philosopher) (1738–1816), deist philosopher of the Enlightenment
- David Rogerson Williams (1776–1830), Governor of South Carolina, 1814–1816
- David Williams (academic) (1786–1860), Vice-Chancellor of Oxford University, 1856–1858
- David Williams (geologist) (1792–1850), English geologist and priest
- David Williams (Merioneth) (1799–1869), Member of Parliament for Merioneth, 1868–1870
- David Williams (coal owner) (1809–1863), industrialist
- David Williams (Archdeacon of Cardigan died 1929) (1841–1929), Archdeacon of Cardigan, 1903–1928
- David Williams (Archbishop of Huron) (1853–1931), Anglican Bishop of Huron
- David Williams (Archdeacon of Cardigan died 1936) (1862–1936), Archdeacon of Cardigan, 1928–1936
- David Williams (Swansea politician) (1865–1941), Labour Member of Parliament for Swansea East, 1922–1940
- David L. Williams (architect) (1866–1937), of Oregon
- David Williams (Methodist minister) (1877–1927), Welsh theologian and minister
- David John Williams (1885–1970), Welsh-language writer and Welsh nationalist
- David Rhys Williams (1890–1970), American Unitarian minister
- David Williams (rugby union) (c.1894–c.1959), rugby union player who represented Australia
- D. J. Williams (politician) (David James Williams, 1897–1972), British Labour Party Member of Parliament
- David Marshall Williams (1900–1975), inventor
- David Williams (historian) (1900–1978), Welsh historian
- David Gwyn Williams (1904–1990), Welsh poet, novelist, translator and academic
- David W. Williams (1910–2000), American federal judge
- Sir David Innes Williams (1919–2013), British paediatric urologist
- David Williams (crime writer) (1926–2003), (Stuart David Williams) advertising executive and crime writer
- David Glyndwr Tudor Williams (1930–2009), Vice-Chancellor of the University of Cambridge, 1989–1996
- David Williams (Australian politician) (born 1941), former Australian politician
- David "Happy" Williams (born 1946), Trinidadian jazz double-bassist
- David B. Williams (artist) (1947–2009), Ojibway aboriginal painter and printmaker from Canada
- David Williams (guitarist) (1950–2009), American session guitarist
- David Williams (space administrator) (born 1951), Director General of the British National Space Centre
- David L. Williams (politician) (born 1953), Kentucky judge and former President of the Kentucky Senate
- David Williams (footballer, born 1955), Welsh football player and coach
- David Williams (Australian rules footballer) (born 1961), former Australian rules footballer
- David Williams (bishop of Basingstoke) (born 1961), Anglican bishop suffragan in the Church of England
- David Williams (cricketer) (born 1963), Trinidadian West Indian cricketer
- David Williams (wide receiver) (born 1963), record-setting American football player at the University of Illinois
- David Williams (offensive lineman) (born 1966), American football offensive lineman
- David Williams (ice hockey) (born 1967), American ice hockey player
- David Williams (footballer, born 1968), English football goalkeeper
- David Williams (industrialist) (born 1969), British entrepreneur; founder of Avanti Communications Group plc
- David J. Williams (born 1971), Anglo-American science fiction writer and video game writer
- David Williams (card game player) (born 1980), American poker and Magic: the Gathering player
- David Williams (Australian indigenous musician) (born 1983), Aboriginal musician and artist
- David Williams (rugby league) (born 1986), Australian rugby league player
- David Williams (footballer, born 1988), Australian soccer player
- D. J. Williams (tight end) (born 1988), player of American football from Arkansas
- David Williams (running back) (born 1994), American football player
- David Williams (Alaska architect) (born ????), architect and community planner
- David Williams (journalist) (born ????), Australian author and journalist
- David B. Williams (academic) (born ????), dean of the College of Engineering at the Ohio State University
- David Vernon Williams (born ????), New Zealand professor of law
- David Williams (screenwriter) (born ????), British television screenwriter
- David Williams (producer) (born ????), director and producer for ADV Films
- David C. Williams (film composer) (born ????), American film composer
- David L. Williams (film director) (born ????), British filmmaker
- David A. Williams (born ????), President and CEO of the Make-A-Wish Foundation
- David C. Williams (Inspector General) (born ????), American inspector general
- David Williams (mathematician) (born ????), probabilist
- David Walliams (born 1971), British comedian, original surname Williams
- Davida Williams (born 1986), American actress, singer and photographer
- Davina Williams (born 1985), Australian Olympic freestyle skier
- Davon Williams (born 1972), Montserratian cricketer
- Dawn Williams (born 1973), Olympic middle distance runner for Dominica
- Dawn Monique Williams (born 1978), American theatre director
- Dean Williams (disambiguation), multiple people
- Dean Williams (squash player) (born 1956), squash player from Australia
- Dean Williams (footballer, born 1970), English striker
- Dean Williams (footballer, born 1972) (born 1972), English footballer
- Dean Williams (basketball) (born 1977), British basketball player
- Dean Williams (cricketer) (born 1980), English cricketer
- DeAngelo Williams (born 1983), American footballer
- Debbie Williams (born c.1956), American teacher and parachute incident survivor
- Del Williams (1945–1984), American football offensive guard
- Delaney Williams (born 1962), American actor
- Delano Williams (born 1993), sprinter from the Turks and Caicos Islands who represents Great Britain
- Delores Williams (born 1937), American theologian
- Delvin Williams (born 1951), American footballer
- Delwyn Williams (born 1938), British Conservative politician
- Demetrius Williams (born 1983), American football wide receiver
- Demion Williams (born 1992), Caymanian international footballer
- Demorrio Williams (born 1980), American football linebacker
- Deniece Williams (born 1950), American singer-songwriter
- Denis and Dennis Williams (disambiguation), multiple people
- Denis Williams (1923–1998), Guyanese artist, author and archaeologist
- Denis John Williams (1908–1990), British physician
- Dennis A. Williams (born 1952), former New Zealand rugby international
- Dennis P. Williams (born 1953), Delaware state representative from the 1st district
- Dennis E. Williams (born 1959), Delaware state representative from the 10th district
- Dennis Williams (ice hockey) (born 1979), Canadian ice hockey coach
- Denis Williams (1923–1998), Guyanese artist, author and archaeologist
- Denny Williams (1896–1929), American baseball player
- Denzil Williams (born 1938), Welsh rugby union international
- Derek Williams (disambiguation), multiple people
- Derek Williams (footballer, born 1922) (1922–2019), footballer for Chester City
- Derek Williams (footballer, born 1937) (1937–2015)
- Derek Williams (rugby player) (1924–2014), former Welsh international rugby union player
- Derek Williams (filmmaker) (born 1929), British documentary film director and writer
- Derek Williams (boxer) (born 1965), English heavyweight boxer of the 1980s and 1990s
- Deron Williams (born 1984), NBA basketball player
- Derrick Williams (American football) (born 1986), American football wide receiver
- Derrick Williams (basketball) (born 1991), American basketball forward
- Derrick Williams (footballer) (born 1993), German-born Irish association footballer
- Derwin Williams (born 1961), American footballer
- Desai Williams (born 1959), St. Kitts and Nevis born Canadian Olympic sprinter
- Desi Williams (fl.2004), English rugby league footballer
- Desmond Williams, American electronica musician and record producer
- Dessima Williams, Grenadian diplomat
- Destiny Williams (born 1991), American basketball player
- Deunta Williams (born 1987), American football defensive back
- Devon Williams (rugby union) (born 1992), South African rugby union player
- DeWitt Williams (1919–2016), American politician in South Carolina
- Dexter Williams (born 1997), American football player
- D'haquille Williams (born 1993), American football wide receiver
- Diana Williams (born 1958), American television journalist
- Diane Williams (author) (born 1946), American writer
- Diane Williams (athlete) (born 1960), American sprinter
- Dib Williams (1910–1992), American Major League Baseball player in the 1930s
- Dick and Dickie Williams (disambiguation)
- Dick Williams (singer) (1926–2018), brother of Andy Williams, one of The Williams Brothers quartet
- Dick Williams (footballer) (1905–1983), British, played for three teams
- Dick Williams (magician) (born 1927), American television and radio magician
- Dick Williams (1929–2011), American player and manager
- Dick Anthony Williams (1934–2012), American actor
- Dickie Williams (1925–1997), Welsh rugby union and rugby league footballer
- Dicoy Williams (born 1996), Jamaican international footballer
- Dillwyn Williams (born 1929), British medical scientist
- Dino Williams (born 1990), Jamaican international footballer
- Dioh Williams (born 1984), Liberian international footballer
- Dion Williams (1869–1952), American Marine Corps officer
- D. J. Williams (disambiguation), multiple people
- D. J. Williams (actor) (1868–1949), British actor
- D. J. Williams (politician) (1897–1972), British miner, checkweighman and Labour Party Member of Parliament
- D. J. Williams (linebacker) (born 1982), American football linebacker
- D. J. Williams (tight end) (born 1988), American football tight end
- Doc Williams (racing driver) (1912–1982), American racecar driver
- Doc Williams (singer) (1914–2011), American country music bandleader and vocalist
- Dokie Williams (born 1960), American football wide receiver
- Dolly Williams, American businesswoman
- Domanick Williams (born 1980), American football running back
- Dominique Williams (born 1990), American football running back
- Don and Donald Williams (disambiguation), multiple people, multiple people
- Don Williams (1958–1962 pitcher) (1931–2011), Major League Baseball (MLB) pitcher from 1958–62
- Don Williams (1963 pitcher) (1935–1991), MLB pitcher in 1963
- Don Williams (footballer) (1935–1995), Australian rules footballer
- Don S. Williams (1938–2018), Vancouver-based Canadian producer, director, actor, choreographer, and writer
- Don Williams (footballer, born 1939) (born 1939), Australian rules footballer
- Don Williams (1939–2017), American country singer and songwriter
- Don Williams (poker player) (1942–2013), American poker player
- Don Williams (racing driver) (1947–1989), American stock car driver
- Don Williams (baseball scout) (born 1947), long-time minor league baseball coach, manager, and scout
- Don Williams (animator), Disney animator
- Donald Williams (politician) (1919–1990), British Conservative Party politician
- Donald E. Williams (1942–2016), American NASA astronaut
- Donald "Duck" Williams (born 1956), American basketball player for the New Orleans Jazz
- Donald E. Williams, Jr. (born 1957), American politician from Connecticut
- Donald Williams (field hockey) (born 1966), British field hockey player
- Donald Williams (basketball) (born 1973), American professional basketball player
- Donna Williams (born 1963), Australian writer, artist, singer-songwriter and screenwriter
- Donnie Williams (born 1983), American singer-songwriter
- Donnie Williams (American football) (born 1948), American football player
- Dootsie Williams (Walter Williams, 1911–1991), American record executive and producer
- Dorothy Williams (1928–2011), South African anti-apartheid activist
- Doug and Douglas Williams (disambiguation), multiple people
- Doug Williams (footballer) (1923–2014), Australian rules footballer
- Doug Williams (American football) (born 1955), 1st African-American quarterback to lead a winning team in the Super Bowl
- Doug Williams (offensive lineman) (born 1962), former American professional football player
- Doug Williams (bassist) (born 1969), American bassist for the bands Origin and Cephalic Carnage
- Doug Williams (wrestler) (born 1972), English professional wrestler
- Doug Williams (comedian), American comedian
- Douglas Williams (sound engineer) (1917–1993), American sound engineer
- Duane Williams (1861–1912), American lawyer fundamental in the foundation of the International Tennis Federation
- Dub Williams (1927–2014), American politician
- Duck Williams (born 1956), American basketball player for the New Orleans Jazz
- Dudley Williams (judge) (1889–1963), Australian judge
- Dudley Williams (MP) (1908–1987), British aeronautical engineer and Conservative Party politician
- Dudley Williams (physicist) (1912–2004), president of the Optical Society of America in 1979
- Duke Williams (American football) (born 1990), American football safety
- Duke Williams, American musician
- Duncan Williams (born 1986), Irish rugby union footballer for Munster
- Duvall Williams, US Navy Rear-Admiral
- Dyana Williams (born 1953), American radio presenter and journalist
- Dyfri Williams (born 1952), British classical archaeologist
E
- Earl Williams (disambiguation), multiple people
- Earl Williams (basketball coach), American basketball coach (1905–1908) of the Akron Zips
- Earl Larkin Williams (1903–1974), American astronomer and mathematician
- Earl Williams (1920s catcher) (1903–1958), Major League Baseball player, 1928
- Earl Williams (1970s catcher) (1948–2013), Major League Baseball player, 1970–1977
- Earl Williams (basketball player), "the Twirl", (born 1951) American-Israeli basketball player
- Earl Williams (politician) (born 1964), former Leader of the Opposition in Dominica
- Earle Williams (1880–1927), silent film actor
- Earnest Williams (born 1949), American politician in Georgia
- Ed and Eddie Williams (disambiguation), multiple people
- Ed Williams (running back) (born 1950), American football player
- Lil' Ed Williams (born 1955), American blues guitarist and singer-songwriter
- Ed Williams (linebacker) (born 1961), Texan American footballer
- Ed Williams (actor) (born 1926), American actor
- Eddie Williams (saxophonist) (born 1910), American musician
- Eddie Joe Williams (born 1954), American politician in Arkansas
- Eddie Williams (baseball) (born 1964), American baseball player of the 1980s and 1990s
- Eddie Williams (American football) (born 1987), American football fullback
- Ederyn Williams (born 1946), British academic and businessman
- Edlorn Williams, Antigua and Barbudan international footballer
- Edson Williams (born 1966), visual effects supervisor
- Edward Williams (disambiguation), multiple people
- Edward Williams (died c.1594), English politician
- Iolo Morganwg (real name Edward Williams, 1747–1826), Welsh antiquarian
- Edward Williams (minister) (1750–1813), Welsh nonconformist minister, theological writer, and tutor
- Edward Williams (engraver) (c.1755–1797?), English engraver
- Edward Williams (painter) (1781–1855), English painter
- Edward Ellerker Williams (1793–1821), British Army officer
- Edward Vaughan Williams (1797–1875), English judge
- Edward Charles Williams (1807–1881), English landscape painter
- Edward Williams (Victorian judge) (1813–1880), judge from Victoria, Australia
- Edward Leader Williams (1828–1910), English engineer
- Edward Williams (businessman) (1843–1903), American businessman who co-founded the Sherwin-Williams Company
- Edward Christopher Williams (1871–1929), African-American librarian and author
- Edward Williams (footballer), British footballer
- Edward Gordon Williams (1888–1915), British rower
- Edward Williams (UK politician) (1890–1963), British politician and diplomat
- Edward Williams (British Army officer) (1892–1977), British Army officer and cricketer
- Edward Thomas Williams (1901–1973), Lieutenant General in the United States Army
- Edward Alexander Wilmot Williams (1910–1994), British general
- Edward Bennett Williams (1920–1988), American lawyer and sports team owner
- Edward Williams (Queensland judge) (1921–1999), judge from Queensland, Australia
- Edward Williams (composer) (1921–2013), British composer
- Edward Williams (cricketer, born 1925) (1925–2013), English cricketer
- Edward Wyckoff Williams (born 1978), African-American author and political and economic analyst
- Edward Williams (American football) (born 1982), American football player
- Edwin Williams (disambiguation), multiple people
- Edy Williams (born 1942), American actress
- Eifion Williams (born 1975), Welsh footballer
- Eirian Williams (born 1955), Welsh snooker referee
- Eka Esu Williams (born 1950), Nigerian immunologist and activist
- Elijah Williams (chess player) (1809–1854), British chess player
- Elijah Williams (American football) (born 1975), American footballer
- Elisha Williams (1694–1755), Congregational minister, legislator, soldier, jurist, and rector of Yale
- Elisha Williams (basketball) (born 1978), Canadian Paralympic wheelchair basketball player
- Eliud Williams (born 1948), President of Dominica 2012–2013
- Elizabeth Williams (artist), American illustrator, courtroom artist and author
- Ellen D. Williams, American actress
- Ellen D. Williams (chemist) (born 1953), American chemist
- Ellery Williams (1926–2017), American footballer
- Elliot Williams (born 1989), American basketball player
- Ellis E. Williams (born 1951), American TV actor and comedian
- Elmer Williams (born 1964), Puerto Rican Olympic long jumper
- Elmo Williams (1913–2015), American film and TV editor, producer, director and executive
- Elton Williams (born 1973), Montserratian international footballer
- Emily Williams (architect) (1869–1942), American architect
- Emily Williams (born 1984), New Zealand–born Australian singer–songwriter
- Emlyn Williams (1905–1987), Welsh actor and dramatist
- Emma Vyssotsky (1894–1975), née Williams, American astronomer
- Emma Kennedy (Elizabeth Emma Williams, born 1967), British comedian
- Emma Williams (actress) (born 1983), British actress who starred in The Parole Officer
- Emma Williams (gymnast) (born 1983), British gymnast who competed at the 2000 Summer Olympics
- Emory Williams (1911–2014), a Chicago businessman
- Enda Williams (born 1985), Irish Gaelic footballer
- Envis Williams (born 1962), West Indian cricketer from Tobago
- Eric and Erik Williams (disambiguation), multiple people
- Eric Bransby Williams (1900–1994), British actor
- Eric Williams (1911–1981), Prime Minister of Trinidad and Tobago
- Eric Williams (writer) (1911–1983), English author; former inmate of Stalag Luft III
- Eric Lloyd Williams (1915–1988), South African-born journalist and war correspondent
- Eric C. Williams (1918–2010), British science fiction author
- Eric Williams (footballer) (born 1921), British footballer
- Eric Williams (linebacker) (born 1955), former linebacker in the National Football League
- Eric Williams (safety) (born 1960), former safety in the National Football League
- Eric Williams (singer) (born 1960), member of the R&B group Blackstreet
- Eric Williams (defensive lineman) (born 1962), former defensive tackle in the National Football League
- Eric Williams (basketball, born 1972), player in the National Basketball Association
- Eric Williams (swimmer) (born 1977), from Nigeria
- Eric A. Williams, Trinidad and Tobago politician
- Erik Williams (born 1968), American football player
- Erika Monroe Williams, American news anchor and TV host
- E. Stewart Williams (1909–2005), American architect
- Esther Williams (1921–2013), American movie star and competitive swimmer
- Eugene Williams (1918–1948), jazz writer
- Eugene Williams, Sr. (born 1942), American author, educator and inventor
- Evan Williams (disambiguation), multiple people
- Evan Williams (tenor) (1867–1918), American singer
- Sir Evan Williams, 1st Baronet (1871–1959), Welsh industrialist
- Evan O. Williams (1889–1946), American football and basketball coach
- Evan Williams (rugby) (1906–1976), rugby union and rugby league footballer of the 1920s
- Evan Williams (jockey) (1912–2001), horse racing jockey and trainer
- Evan Williams (footballer) (born 1943), Scottish football goalkeeper
- Evan Williams (diplomat) (born 1950), Australian diplomat
- Evan Williams (Internet entrepreneur) (born 1972), entrepreneur, Blogger and Twitter co-founder
- Evan Williams (actor) (born 1984), Canadian actor and musician
- Evelyn Williams (politician), American politician in New Jersey
- Evelyn Williams (artist) (1929–2012), British artist
F
- Faith M. Williams (1893–1958), American economist
- Fara Williams (born 1984), English football international
- Fenton Williams, American production designer and video director
- Fimbar Williams (born 1976), Grenadian football international
- Finty Williams (born 1972), English actress
- Floyd Williams (born 1939), American mathematician
- Fly Williams (born 1953), American basketball player
- Fos Williams (1922–2001), Australian rules footballer and coach from South Australia
- Foy Williams (born 1973), Jamaican-born Canadian Olympic sprinter
- Frances Williams (1904–1978), Welsh-born American composer and conductor
- Francis Williams (disambiguation), multiple people
- Francis Williams (poet) (1700–1771), Jamaican scholar and poet
- Francis Xavier Williams (1882–1967), American entomologist
- Francis Williams (journalist) (1903–1970), British journalist responsible for the PR of British PM Clement Attlee
- Francis Williams (musician) (1910–1983), American jazz trumpeter
- Frank Williams (disambiguation), multiple people
- Frank Williams (Medal of Honor) (1872–1900), American sailor in the Spanish–American War
- Frank M. Williams (1873–1930), American engineer and surveyor
- Frank Williams (footballer, born 1888) (1888–1959), Australian rules footballer for Carlton
- Frank D. Williams (cinematographer) (1893–1961), early Hollywood cinematographer
- Frank Williams (rugby), Welsh rugby union and rugby league international of the 1910s
- Frank Williams (Welsh footballer) (1906–1982), Welsh soccer player
- Frank Williams (English footballer) (born 1908), English soccer player
- Frank Williams (rugby union) (1910–1959), Welsh international rugby union player
- Frank Williams (English rugby league), English rugby league footballer who played in the 1920s and 1930s
- Frank Williams (footballer, born 1914) (1914–2005), former Australian rules footballer for Carlton and Melbourne
- Frank Williams (actor) (born 1931), British actor
- Frank Williams (architect) (1936–2010), American architect
- Frank J. Williams (born 1940), former Chief Justice of the Rhode Island (USA) Supreme Court
- Frank Williams (Formula One) (born 1942), British founder and manager of the WilliamsF1 Formula One team
- Frank Abagnale (born 1948), American impostor and forger who used the alias Frank Williams
- Frank Williams (baseball) (1958–2009), American baseball player
- Frank Williams (basketball) (born 1980), American professional basketball player
- Franklin Williams (diplomat) (1928–1990), lawyer and civil rights leader in the United States
- Franklin Delano Williams (1947–1993), American Gospel music singer
- Fred Williams (disambiguation), multiple people
- Fred Williams (mayor) (1854–1940), mayor of Napier, New Zealand, 1902–1904
- Fred Williams (journalist) (1863–1944), Canadian newspaper editor, writer, and historian
- Fred Williams (footballer, born 1873) (1873–?), English footballer with Manchester City and Manchester Utd
- Fred Williams (American football coach) (1878–1962), American football coach for Emporia State University
- Fred Williams (basketball, born 1896) (1896–1937), American basketball player
- Fred Williams (Australian footballer, born 1900) (1900–1975)
- Fred Williams (footballer, born 1918) (1918–1994), English footballer with Southampton and Stockport County
- Fred Williams (Australian footballer, born 1919) (1919–2007)
- Fred Williams (1927–1982), Australian painter and printmaker
- Fred Williams (defensive lineman) (1929–2000), American football player
- Fred Williams (actor) (born 1938), German actor
- Fred Williams (ice hockey) (born 1956), Canadian ice hockey player
- Fred Williams (basketball, born 1957), American basketball coach
- Fred Williams (wide receiver) (born 1988), American football player
- Frederic Calland Williams (1911–1977), known as F.C. Williams or Freddie Williams, English electrical engineer
- Frederic Wanklyn Williams (1854–1940), New Zealand business proprietor, director and community leader
- Frederica Williams (born 1958), American health care executive
- Frederick Williams (disambiguation), multiple people
- Frederick G. Williams (1787–1842), leader in The Church of Jesus Christ of Latter-day Saints
- Frederick Williams (priest) (1826–1885), Irish Anglican clergyman
- Frederick Smeeton Williams (1829–1886), Congregational minister and railway historian
- Sir Frederick Williams, 2nd Baronet (1830–1878), English politician, Member of Parliament (MP) for Truro
- Frederick C. Williams (1855–1940), president of the Chico, California Board of Trustees from 1895 to 1897
- Frederick George H. Williams (1863–1944), English–Canadian newspaper journalist, writer, and historian
- Frederick A. Williams (1875–1939), American composer
- Frederick W. Williams (fl.1878–1882), Canadian politician
- Frederick Rotimi Williams (1920–2005), Nigerian lawyer
- Frederick Dickinson Williams (1829–1915), American landscape artist
- Frederick B. Williams (1939–2008), religious leader in the United States
- Freddie Williams (disambiguation), multiple people
- Freddie Williams (speedway rider) (1926–2013), Welsh motorcycle speedway world champion
- Freddie Williams (businessman) (1942–2008), Scottish bookmaker
- Freddie Williams (athlete) (born 1962), Canadian track and field athlete
- Freddie Williams II (born 1977), comics artist
- Freedom Williams (born 1966), American hip-hop and dance music performer
- Freeman Williams (born 1956), American basketball player
G
- G. Williams, West Indian cricket umpire
- G. Mennen Williams (1911–1988), Democratic governor of Michigan
- Gabby Williams (born 1996), American basketball player
- Gabriel I. H. Williams, Liberian journalist
- Gabrielle Williams (born 1982), Australian politician
- Gail Williams, director of The WELL
- Gale R. Williams (1922–2007), American politician
- Galmo Williams, Premier of the Turks and Caicos Islands (2009)
- Gardner F. Williams (1842–1922), American mining engineer and author
- Gareth Williams (disambiguation), multiple people
- Gareth Williams, Baron Williams of Mostyn (1941–2003), Welsh barrister and Labour politician
- Gareth Cyril Williams (1941–2018), footballer
- Gareth Williams (British musician) (1953–2001), member of English group This Heat
- Gareth Powell Williams (1954–2018), Welsh rugby player
- Gareth Williams (English footballer) (born 1967), footballer
- Gareth Williams (cricketer) (born 1973), English cricketer
- Gareth Williams (composer) (born 1977), Irish composer
- Gareth Williams (1978–2010), employee of Britain's GCHQ signals intelligence agency, found dead in 2010
- Gareth John Williams (born 1979), Welsh rugby player
- Gareth Williams (Scottish footballer) (born 1981), Scottish footballer
- Gareth Williams (Welsh footballer) (born 1982), Welsh footballer
- Gareth Williams (New Zealand actor) (born 1987)
- Gareth Williams (rugby union, born 1988), Welsh rugby player
- Gareth Williams (actor), American actor
- Gareth Williams (musician), Canadian musician
- Garth Williams (1912–1996), American artist
- Garry and Gary Williams (disambiguation), multiple people
- Garry Williams (Australian footballer) (born 1956), Australian footballer
- Garry Williams (New Zealand cricketer) (born 1953), New Zealand cricketer
- Garry Williams (gridiron football) (born 1986), American player
- Garry Williams (theologian), English academic
- Gary W.C. Williams (born 1936), Canadian football player
- Gary Williams (born 1945), American basketball player and coach
- Gary Williams (English cricketer) (born 1965), former English cricketer
- Gary Williams (footballer, born 1959), English footballer for Blackpool, Swindon and Tranmere
- Gary Williams (footballer, born 1960), English footballer for Aston Villa
- Gary Williams (footballer, born 1963), English footballer for Bristol City and Oldham
- Gary Anthony Williams (born 1966), American actor
- Gary Williams (singer) (born 1970), English singer
- Gary Williams (wrestler) (born 1972), Canadian wrestler
- Gavin Williams (rugby union) (born 1979), New Zealand rugby player
- Gavin Williams (footballer) (born 1980), Welsh footballer
- Geisha Williams (born 1961/62), American businesswoman
- Gemara Williams (born 1983), American and Canadian football player
- Gene Williams (basketball) (born 1947), American basketball player
- Gene Williams (American football) (born 1968), US American football player
- Genelle Williams (born 1984), Canadian actress
- Geoff Williams (footballer) (born 1930), Australian footballer
- Geoff Williams (painter) (born 1957), New Zealand artist
- Geoffrey Williams (born 1963), English singer-songwriter
- George Williams (disambiguation), multiple people
- George Williams (died 1556), MP for Grantham
- George Williams (UK politician) (1765–1850), British army officer and Liberal politician
- George Williams (priest) (1814–1878), English academic and antiquary
- George Augustus Williams (1814–1901), British landscape painter
- George Williams (YMCA) (1821–1905), English founder of the YMCA
- George Henry Williams (1823–1910), United States Attorney General and senator from Oregon
- George Washington Williams (1849–1891), author and Ohio state legislator
- George F. Williams (1852–1932), US representative from Massachusetts
- George A. Williams (1854–1936), American actor
- George Williams (Idaho architect) (1860–1929), American architect
- George Norris Williams (1866–1949), acting Commissioner of Yukon, 1915–16
- George Washington Williams (naval officer) (1869–1925), US Navy officer
- George Williams (Michigan politician) (1869–?), Michigan state senator
- George Williams (Negro Leagues infielder) (1864–1918), African American baseball player
- George Williams (Australian footballer) (1871–1937), Australian footballer
- George Howard Williams (1871–1963), U.S. senator from Missouri
- George S. Williams (1877–1961), U.S. representative from Delaware
- George Clark Williams (1878–1958), Queen's Counsel and Justice of the Peace
- George Williams (cricketer) (1880–?), English cricketer
- George Hara Williams (1894–1945), Saskatchewan politician
- George Williams (footballer, born 1897) (1897–1957), English footballer
- George Williams (American football), head coach at Kansas Wesleyan University 1919
- George Williams (basketball), American college basketball player in the 1920s
- George Huntston Williams (1914–2000), professor of Unitarian history at Harvard University
- George Hopkins Williams II (1915–2006), aviation history collector
- George Williams (musician) (1917–1988), arranger/composer for big bands
- George H. Williams (educator) (1918–2003), president of American University
- George C. Williams (biologist) (1926–2010), American biologist
- George Williams (infielder) (1939–2009), American baseball player
- George Williams (catcher) (born 1969), American baseball player
- George Williams (lawyer) (born 1969), Australian legal academic and barrister
- George Williams (rugby league) (born 1994), English rugby league player
- George Williams (footballer, born 1995), Wales international footballer
- Georgia Williams (born 1993), New Zealand racing cyclist
- Geraint Williams (born 1962), Welsh footballer and manager
- Gerald Williams (disambiguation), multiple people
- Gerald Wellington Williams (1903–1989), British politician
- Gerald Evan Williams (1907–1949), American Air Force officer
- Gerald Williams (American football) (born 1963), American football player
- Gerald Williams (baseball) (born 1966), former Major League Baseball outfielder
- Gerald Williams (rugby league) (born 1969), South African international
- Gerard Williams (American football) (born 1952), American football player
- Gerard Williams (footballer) (born 1988), Saint Kitts and Nevis footballer
- Germaine Williams (born 1974), Jamaican-American rapper and actor better known as Canibus
- Gerry Williams (footballer) (1877–1901), Australian footballer
- Gilly Williams (1719–1805), English official, wit and letter writer
- Ginger Williams (singer) (born 1956), Jamaican-born British singer
- Gizmo Williams (Henry L. Williams, born 1962), American football player
- Glanmor Williams (1920–2005), Welsh historian
- Glen Morgan Williams (1920–2012), United States federal judge
- Glen Williams (basketball) (1954–2017), American basketball player
- Glenn Williams (born 1977), Australian baseball player
- Glenn Williams (sound engineer), American sound engineer
- Glyn Williams (footballer) (1918–2011), Welsh footballer
- Glyndwr Williams (born 1932), professor of history at Queen Mary, University of London
- Glynn Williams (born 1939), British sculptor
- Gord Williams (born 1960), Canadian ice hockey player
- Gordon Williams (disambiguation), multiple people
- Grace Williams (1906–1977), Welsh composer
- Graham Williams (disambiguation), multiple people
- Graham Williams (footballer, born 1936) (1936–2018), Welsh footballer
- Graham Williams (footballer, born 1938), Welsh footballer and manager
- Graham Williams (rugby league) (1944–1994), British and Australia rugby player
- Graham Williams (rugby union) (1945–2018), New Zealand rugby player
- Graham Williams (television producer) (1945–1990), British television producer and script editor
- Graham Williams (promoter) (born 1978), American concert promoter
- Graham Williams (cricketer) (born 1985), English cricketer
- Grant Williams (1931–1985), American actor and tenor
- Grant Williams (American football) (born 1974), American football player
- Grant Williams (footballer) (born 1969), Australian footballer
- Grant Williams (basketball) (born 1998), American basketball player
- Greedy Williams (born 1997), American football player
- Greg Williams (disambiguation), multiple people
- Greg Williams (basketball) (born 1947), American basketball coach
- Greg Williams (American football) (born 1959), American football player
- Greg Williams (radio personality) (born 1960), American radio personality
- Greg Williams (Australian footballer) (born 1963), Australian football player
- Greg Williams (photographer) (born 1972), British editorial and film photographer
- Gregg Williams (born 1958), American football coach
- Gregory Alan Williams (born 1956), American actor and author
- Gregory H. Williams, American academic
- Greta Williams, English opera singer
- Griff Williams (born 1966), American artist
- Guinn Williams (Texas politician) (1871–1948), American state senator and congressman from Texas
- Guinn "Big Boy" Williams (1899–1962), American actor
- Gus Williams (disambiguation), multiple people
- Gus Williams (vaudeville) (1848–1915), American comedian and songwriter
- Gus Williams (pitcher) (1870–1890), baseball player
- Gus Williams (outfielder) (1888–1964), German-American baseball player
- Gus Williams (musician) (1937–2010), Australian country singer
- Gus Williams (basketball) (born 1953), American basketball player
- Guy Williams (disambiguation), multiple people
- Sir Guy Williams (British Army officer) (1881–1959), British Army general during World War II
- Guy Williams (politician) (1907–1992), Canadian Senator and First Nations leader
- Guy Williams (actor) (1924–1989), American actor and fashion model
- Guy Williams (basketball) (born 1960), American basketball player, nicknamed "The Fly"
- Guy Williams (equestrian) (born 1971), British showjumper
- Guy Williams (rugby league) (born 1984), Australian rugby player
- Guy Williams (comedian) (born 1987), New Zealand comedian
- Guy Williams (visual effects), visual effects supervisor
- Gwendoline Williams (1922–2013), British novelist
- Gwilym Williams (1913–1990), Anglican Archbishop of Wales 1971–1982
- W. S. Gwynn Williams (1896–1978), Welsh musician
- Gwyn Williams (rugby), Welsh rugby player
- Gwyn A. Williams (1925–1995), Welsh historian
- Gwyn Williams (football manager), Leeds United's technical director and manager
- Gwyneth Williams (born 1953), controller of BBC Radio 4
- Gwynfor Williams (born 1956), Welsh rugby footballer
- Gwynne Williams (born 1937), Welsh poet and translator
H
- H. Williams (fl.1927), English cricketer
- H. R. Williams, American writer
- Hal Williams (born 1938), American actor
- Hank Williams (disambiguation), multiple people
- Hank Williams (1923–1953), country music singer and guitarist
- Hank Williams, Jr. (born 1949), country music singer and guitarist, son of Hank Williams
- Hank Williams (basketball) (born 1952), American professional basketball player
- Hank Williams III (born 1972), country music singer and guitarist, son of Hank Williams, Jr.
- Hardy Williams (1931–2010), American politician
- Harland Williams (born 1962), Canadian-American comedian, actor, and radio personality
- Harold Williams (disambiguation), multiple people
- Harold Williams (linguist) (1876–1928), New Zealand journalist and polyglot
- Harold Herbert Williams (1880–1964), English scholar; expert on the works of Jonathan Swift
- Harold P. Williams (1882–1963), American attorney and judge
- Harold Williams (baritone) (1893–1976), Australian singer
- Harold S. Williams (1898–1987), Australian author who lived in Japan
- Harold Williams (priest) (1914–1990), Anglican Provost of Coventry
- Harold Williams (footballer) (1924–2014), Welsh international footballer
- Harold M. Williams (1928–2017), chairman of U.S. Securities and Exchange Commission, 1977–1981
- Harold Williams (geologist) (1934–2010), Canadian geologist
- Harold Ivory Williams (1949–2010), American jazz keyboardist
- Harold Hype Williams (born 1968), American music video and film director
- Harper Williams (born 1971), American basketball player
- Harrison Williams (entrepreneur) (1873–1953), American entrepreneur who made millions in public utilities
- Harrison A. Williams (1919–2001), U.S. Senator from New Jersey
- Harry Williams (disambiguation), multiple people
- Harry Williams (footballer, born 1875) (1875–?), English footballer with Small Heath
- Harry Williams (songwriter) (1879–1922), American composer and lyricist
- Harry Williams (footballer, born 1883) (1883–?), English footballer with Bolton Wanderers, Burnley and Man Utd.
- Harry Palmerston Williams (1889–1936), American businessman
- Harry Williams (baseball) (1890–1963), American baseball player for the New York Yankees c. 1913
- Harry Williams (cricketer) (1892–1967), English cricketer
- Harry Williams (footballer, born 1899) (1898–1980), English footballer
- T. Harry Williams (1909–1979), American historian based in Louisiana
- Harry Williams (footballer, born 1929), English footballer
- Harry Williams (Australian soccer player) (born 1951), Australian soccer player
- Harry Williams (American football) (born 1982), American football wide receiver
- Harry Williams (footballer, born 1996), English footballer with Cheltenham Town
- Hartley Williams (1843–1929), judge in Victoria, Australia, not related to the priest
- Hartley Williams (clergyman) (1844–1927), Anglican priest who founded a private school in Mount Gambier, South Australia
- Harvey Williams (disambiguation), multiple people
- Harvey Williams (American football) (born 1967), former American football running back
- Harvey Williams (musician) (born 19??), English singer, songwriter and guitarist
- Harvey D. Williams (1930–2020), African-American U.S. Army major general
- Harvey Ladew Williams Jr. (1900–1986), American businessman
- Harwood Williams (born 1970), Kittitian cricketer
- Hayley Williams (born 1988), American lead singer of the band Paramore
- Hayley J Williams, English actress
- Hayward Williams, American singer-songwriter
- Heathcote Williams (cricket administrator) (1859–1931), New Zealand cricket administrator
- Heathcote Williams (1941–2017), English poet, actor and dramatist
- Heather Williams (biologist) (born 1955), American ornithologist and professor at Williams College
- Heather Williams (singer) (born 1976), American singer-songwriter
- Heather Williams, pen name of Tui T. Sutherland (born 1978), Venezuelan-American children's book author
- Heimar Williams (born 1991), South African rugby union player
- Helema Williams (born 1991), Cook Islander Olympic sailor
- Helen Williams (disambiguation), multiple people
- Helen Maria Williams (1759–1827), British novelist, poet and translator
- Helen Williams (Australian public servant) (born 1945), former senior Australian public servant
- Helen Williams (British civil servant) (born 1950), British civil servant
- Henrik Williams, Swedish historian and linguist
- Henry Williams (disambiguation), multiple people
- Henry Williams (priest) (fl. 1510s–1550s) Canon of Windsor
- Henry Williams (alias Cromwell) (16th-century–1604), English politician; grandfather of Oliver Cromwell
- Henry Williams (died 1636) (c.1579–1636), English politician
- Henry Williams (MP for Radnorshire), Welsh politician who sat in the House of Commons between 1654 and 1659
- Sir Henry Williams, 2nd Baronet (1635–1666), British Member of Parliament for Brecon and Breconshire
- Henry Williams (missionary) (1792–1867), English missionary to New Zealand
- Henry Williams (Massachusetts) (1805–1887), United States Representative from Massachusetts
- Henry Williams (New Zealand politician) (1823–1907), member of the New Zealand Legislative Council
- Henry Williams (Medal of Honor) (1834–1917), United States Navy seaman who received the Medal of Honor
- Henry Williams (Victorian politician) (c.1842–1910), Australian politician
- Henry Shaler Williams (1847–1918), American geologist
- Henry Roberts Williams (1848–1935), Australian politician
- Henry Horace Williams (1858–1940), American philosopher and university professor
- Henry Smith Williams (1863–1943), American medical doctor and author
- Henry Williams (bishop) (1872–1961), English Anglican bishop
- Henry L. Williams (1869–1931), American college football player and coach
- Henry D. Williams (c.1893–1934), New York politician
- Henry Williams (1907–1962) American blues/jazz singer and dancer known as Rubberlegs Williams
- Henry Williams, Jr. (1917–2002), American professional golfer
- Henry Williams (American football) (born 1956), former professional American football player
- Henry Williams (cricketer) (born 1967), South African cricketer
- Henry Williams (basketball) (born 1970), American basketball player
- Henry Williams (child actor) (born 1998), New Zealand child actor, active 2004–2009
- Herb Williams (born 1958), American basketball player
- Herbie Williams (born 1940), Welsh international footballer
- Hershel W. Williams (born 1923), US Marine; Medal of Honor recipient
- Hillary Williams (born 1988), American grappler and Brazilian jiu–jitsu practitioner
- Hiram D. Williams (1917–2003), painter and University of Florida professor
- Holly Williams (born 1981), American country music artist; granddaughter of Hank Williams
- Horace Williams (1900–1960), Welsh professional football player and manager
- Horatio Burt Williams (1877–1955), American electrophysiologist
- Horton Williams (born 1933), Australian judge
- Hosea Williams (1926–2000), American civil rights leader
- Howard Williams (humanitarian) (1837–1931), author of The Ethics of Diet
- Howard Williams (ceramist) (born 1935), New Zealand ceramist and art writer
- Howard Williams (archaeologist), British archaeologist
- Howie Williams (basketball) (1927–2004), American basketball player
- Howie Williams (born 1936), American football safety
- Hugh Williams (disambiguation), multiple people
- Hugh Williams (of Chester) (c. 1694–1742), Member of Parliament for Anglesey
- Hugh Williams (cleric) (1721/22–1779), Welsh priest and writer
- Hugh William Williams (1773–1829), Scottish landscape-painter known as "Grecian Williams"
- Sir Hugh Williams, 3rd Baronet (1802–1876)
- Hugh Williams (historian) (1843–1911), Welsh college tutor
- Hugh Pigot Williams (1858–1934), British naval officer
- Wilhelm Grosz (1894–1939), also known as Hugh Williams, Austrian composer, pianist, and conductor
- Hugh Williams, (1904–1969), English (of Welsh descent) film actor and dramatist
- Hugh Williams (judge) (born 1939), New Zealand judge
- Hugh Martyn Williams (born 1946), English author and National Treasurer of UKIP
- Hugo Williams (born 1942), British poet, journalist and travel writer
- Hype Williams (born 1970), American music video and film director
- Hywel Williams (born 1953), Welsh politician and Plaid Cymru MP
I
- Ian Williams (disambiguation), multiple people
- Ian Williams (footballer, born 1942), Australian rules footballer
- Ian Williams (footballer, born 1957), Australian rules footballer
- Ian Williams (fencer) (born 1967), British fencing coach
- Ian Williams (musician) (born 1970), American guitarist
- Ian Williams (sailor) (born 1977), British sailor
- Ian Williams (American football) (born 1989), Notre Dame nose tackle
- Ian Williams (writer), Canadian poet and fiction writer
- Idris Williams (1834–1894), Welsh Liberal politician
- Ieuan Williams (1909–1964), Welsh cricketer
- Ieuan Rhys Williams (1909–1973), Welsh actor
- Ifor Williams (1881–1965), Welsh scholar of Old Welsh
- Ike Williams (1923–1994), American boxer
- Illtyd Williams (fl. 1930s), Welsh rugby league footballer for Castleford
- Iñaki Williams (born 1994), Spanish footballer
- Iolo Williams (born 1962), Welsh nature observer and TV presenter
- Iris Williams (born 1944), Welsh singer
- Irv Williams (1919–2019), American jazz saxophonist and composer
- Isaac Williams, Jr. (1777–1860), U.S. Representative from New York
- Isaac Williams (1802–1865), Welsh writer and poet
- Isaac W. Williams (born 1963), youth leader and activist
- Isadora Williams (born 1996), American-Brazilian Olympic figure skater
- Isaiah Williams (born 1987), American football wide receiver
- Isiah Williams (born 1987), American football quarterback
- Isiah Williams (basketball), American basketball player
- Ivor Williams (1908–1982), Welsh artist
- Ivory Williams (born 1985), American sprinter
- Ivy Williams (1877–1966), English lawyer; first woman to be called to the bar
- Izaac Williams (born 1989), New Zealand basketball player
J
- J. Williams (singer) (born 1986), New Zealand R&B singer
- J. Williams (cinematographer) (1948–2005), Indian cinematographer in Malayalam movies
- J. Allen Williams (born 1960), American animator
- J. D. Williams (born 1978), American actor
- J. H. Williams III (born 1965), American comic book writer and artist
- J. Henry Williams (1831–1889), British born Episcopal minister and Virginia politician
- J.J. Williams (born 1948), Welsh rugby union international and British Lion
- J. Lloyd Williams (1854–1945), Welsh botanist, author, and musician
- J. Mark G. Williams, British priest and Psychology academic
- J.P.R. Williams (born 1949), Welsh rugby union international and British Lion
- Jabara Williams (born 1989), American footballer
- Jack and Jackie Williams (disambiguation), multiple people
- Jack Williams (rugby union) (1882–1911), Wales and British Lions rugby union player
- Jack Williams (VC) (1886–1953), Welsh recipient of the Victoria Cross
- Jack Williams (footballer, born 1902) (1902–1976), Australian rules footballer for Geelong
- Jack Richard Williams (1909–1998), American politician and Governor of Arizona
- Jack "Basher" Williams (1917–2000), Australian rules footballer for South Melbourne
- Jack Williams (New Zealand politician) (1918–1975), New Zealand politician of the Labour Party
- Jack Williams (stuntman) (1921–2007), American motion picture stuntman
- Jack Williams (Medal of Honor) (1924–1945), American sailor
- Jack Eric Williams (1944–1994), American actor, composer and lyricist
- Jack Williams (news anchor) (born 1944), Boston TV personality
- Jack Williams (American football) (born 1985), American football player
- Jack Williams (outlaws), two Old West outlaws of the same name
- Jackie Williams (Salvatore Tripoli) (1904–1990), American bantamweight boxer
- Jackie Williams (footballer, born 1911) (1911–1979), Welsh international footballer
- Jackie Williams (footballer, born 1929) (1929–1973), footballer for Tranmere Rovers
- Jackson Williams (born 1986), American baseball player
- Jacques Williams (born 1981), English footballer
- Jacquian Williams (born 1988), American basketball player
- Jade Williams (born 1988), British pop singer
- Jamal Williams (born 1976), American footballer
- Jamaal Williams (born 1995), American football player
- Jamar Williams (born 1984), US American and Canadian football player
- Jamel Williams (born 1973), American footballer
- James Williams (disambiguation), multiple people
- James Williams (Revolutionary War) (1740–1780), U.S. Revolution, Colonel from South Carolina
- James Williams (cleric) (1790–1872), Welsh clergyman
- James Wray Williams (1792–1842), US Representative from Maryland
- James D. Williams (1808–1880), US Representative from Indiana and governor of Indiana
- James Miller Williams (1818–1890), Canadian businessman
- James Williams (Ohio Auditor) (1822–1892), Republican politician in the U.S. State of Ohio
- James Williams (bishop) (1825–1892), Canadian Church of England priest, bishop, and educator
- James Williams (Delaware representative) (1825–1899), U.S. Congressman from Delaware
- James E. Williams (mayor) (1826–1900), Atlanta mayor after the Civil War
- James Nelson Williams (1837–1915), New Zealand runholder, orchardist and entrepreneur
- James M. Williams (1850–1909), Ohio politician
- James R. Williams (1850–1923), US Representative from Illinois
- James Leon Williams (1858–1932), American prosthodontist and dental histologist
- James Williams (Irish footballer) (fl.1886), Irish international footballer
- James Dixon Williams (1877–1934), American film producer
- James Williams (field hockey) (1878–1929), British field hockey player
- James Williams (Welsh footballer) (1884–1916), Welsh international footballer
- James Howard Williams (1897–1958) "Elephant Bill" Soldier, Forester and Writer
- James B. Williams (1926–2016), Minor League Baseball manager
- James Williams (American football) (1928–2015), American football player
- James Arthur Williams (1930–1990), American antiques dealer and preservationist; acquitted of murder 4 times
- James E. Williams (1930–1999), Medal of Honor in the U.S. Navy
- James A. Williams (1932–2017), U.S. Army Lieutenant General and director of the Defense Intelligence Agency
- James R. Williams (lawyer) (born 1936), candidate for Lieutenant Governor of Ohio
- James D. Williams (Pennsylvania politician) (1943–1985), Pennsylvania politician
- James Williams (musician) (1951–2004), American jazz pianist
- James L. Williams (born c.1954), Commanding General of the 4th Marine Division
- James Williams (British fencer) (born 1966), British fencer
- James Williams (defensive back) (born 1967), American football player
- James Williams (linebacker) (born 1968), American football player
- James Williams (lineman) (Big Cat Williams, born 1968), American football player
- James Williams (cricketer) (born 1973), Welsh cricketer
- James Williams (wide receiver) (born 1978), American football wide receiver
- James T. Williams II (born 1981), American film and television actor
- James Leighman Williams (born 1985), American fencer
- James Williams (baseball), co-owner of the Cincinnati Reds baseball team
- James F. Williams, American librarian
- James Williams (labor leader), American labor leader
- Jamie Williams (American football) (born 1960), former NFL tight end
- Jamie Williams, (born 1976), American musician known as Jamie Pressnall
- Jan Williams (born 1939), American musician, conductor and composer
- Jan-Michael Williams (born 1984), Trinidad and Tobago international footballer
- Jane Williams (disambiguation), multiple people
- Jane Williams (1798–1884), subject of poems by Percy Bysshe Shelley
- Jane Williams (missionary) (1800–1896), British pioneering educator in New Zealand
- Jane Williams (Ysgafell) (1806–1885), Welsh writer
- Jane Williams (theologian) (born 1957), Christian theologian and writer
- Janet Williams (basketball) (born 1953), Australian basketball player
- Janet Williams (soprano), American operatic soprano and voice teacher
- Janice Savin Williams, Jamaican-born American businesswoman
- JaQuitta Williams, American TV journalist
- Jarrett Williams (born 1984), American comic book creator
- Jarvis Williams (wide receiver) (born 1987), American football player
- Jason Williams (disambiguation), multiple people
- Jason Williams (rugby league born 1966), New Zealand-born rugby league footballer of the 1980s and 1990s
- Jason Williams (baseball) (born 1974), baseball player and Olympic bronze medalist in baseball
- Jason Williams (basketball, born 1975), professional American basketball player
- Jason Williams (Radford basketball) (born 1979), American basketball player from Radford University
- Jason Williams (ice hockey) (born 1980), Canadian ice hockey player in the NHL
- Jason Williams (rugby league born 1981), New Zealand-born rugby league footballer of the 2000s
- Jason Williams (basketball, born 1983), American basketball player for Hapoel Be'er Sheva of the National Basketball League of Israel
- Jason Williams (soccer) (born 1984), Bermudian soccer player
- Jason Williams (American football) (born 1986), American football player
- Jason Williams (footballer) (born 1995), English footballer
- Jason Williams (actor), American actor, writer, and director
- Javarris Williams (born 1986), American football running back
- Jawad Williams (born 1983), American basketball player
- Jay Williams (disambiguation), multiple people
- Jay Williams (Medal of Honor recipient) (1872–1938), American Medal of Honor recipient
- Jay Williams (author) (1914–1978), author of children's books
- Jay Williams (American football) (born 1971), professional American football player
- Jay Williams (politician) (born 1971), mayor of Youngstown, Ohio
- Jay Williams (musician) (born 1973), mainly linked with RPM, Love City Groove now works in property
- Jay Williams (basketball) (born 1981), American sportscaster and former basketball player
- Jayson Williams (born 1968), American basketball player
- Jean Williams (born 19??), British sports historian and author
- Jed Williams (1952–2003), Welsh jazz journalist
- Jeff and Jeffrey Williams (disambiguation), multiple people
- Jeff Williams (musician) (born 1950), American jazz musician
- Jeff Williams (American football, born 1943), former American football running back
- Jeff Williams (American football, born 1955), former American football offensive lineman
- Jeff Williams (cyclist) (born 1958), British Olympic cyclist
- Jeff Williams (athlete) (born 1965), American former track and field athlete
- Jeff Williams (baseball) (born 1972), Australian baseball pitcher in the United States and Japan
- Jeff Williams (ice hockey), (born 1976), Canadian ice hockey player
- Jeff Williams (actor) (born 1985), American actor
- Jeff Williams (poker player) (born 1986), American poker player
- Jeff Williams (Apple) (born c.1963), senior vice president, Operations, Apple Inc.
- Jeffrey Williams (astronaut) (born 1958), American astronaut
- Jeffrey S. Williams (born c.1970), writer, Civil War historian
- Jeffrey Williams (fashion designer) (born 1984), American fashion designer
- Jenni Williams (born 1962), Zimbabwean human rights activist; founder of 'Women of Zimbabwe Arise (WOZA)
- Jenny Williams (born 1939), Irish author and academic
- Jenny Williams (sportsperson) (born 1957), Australian sportswoman
- Jeremy Williams (disambiguation), multiple people
- Jeremy Huw Williams (born 1969), Welsh baritone opera singer
- Jeremy Williams (boxer) (born 1972), American boxer and mixed martial artist
- Jeremy Williams (cricketer) (born 1979), English cricketer
- Jeremy Williams (actor) (born 1982), British actor
- Jeremy Williams (ice hockey) (born 1984), Canadian ice hockey centre
- Jeremy Williams (Canadian football) (born 1991), American player of Canadian football
- Jermaine Williams (American football) (born 1973), American football running back
- Jermaine Williams (born 1982), American actor and dancer
- Jerome Williams (basketball) (born 1973), basketball player
- Jerome Williams (baseball) (born 1981), Major League Baseball player
- Jerrol Williams (born 1967), American football linebacker
- Jerry Williams (disambiguation), multiple people
- Jerry Williams (American football) (1923–1998), American football player and coach
- Jerry Williams (radio) (1923–2003), American radio host
- Jerry Williams (singer) (1942–2018), Swedish singer and actor
- Jerry Williams, Jr., (born 1942), American R&B singer, songwriter and producer known as Swamp Dogg
- Jerry Lynn Williams (1948–2005), American guitarist and songwriter
- Jerry Williams (footballer) (born 1960), English professional footballer
- Jerry Williams (basketball) (born 1979), American basketball player
- Jerry Williams (politician), Democratic member of the Kansas House of Representatives
- Jesse Williams (disambiguation), multiple people
- Jesse M. Williams (1831–1864) American Civil War soldier
- Jesse Lynch Williams (1871–1929), author and dramatist
- Jesse Williams (actor) (born 1981), American television actor
- Jesse Williams (athlete) (born 1983), American high jumper
- Jesse Williams (American football) (born 1990), American football defensive tackle
- Jessica Williams (musician) (born 1948), American pianist and composer
- Jessica Williams (actress) (born 1989), American actress, comedian, and correspondent
- Jett Williams (born 1953), American country music performer
- Jewell Williams (born 1957), American politician in Pennsylvania
- Jez Williams (born 1970), English guitarist and songwriter
- Jim, Jimmy and Jimy Williams (disambiguation), multiple people
- Jim Williams (basketball coach) (1915–2007), American basketball coach
- Jim Williams (Florida) (1926–2016), retired American politician
- Jim Williams (pastor) (born 1935), AoG pastor from New Zealand
- Jim Williams (powerlifter) (February 25, 1940 – January 23, 2007) American powerlifter
- Jim Williams (author) (born 1947), British author and lawyer
- Jim Williams (outfielder) (born 1947), American MLB outfielder from 1969–1970
- Jim Williams (analog designer) (1948–2011), American analog circuit designer and technical author
- Jim Williams (news anchor) (born 1957), American news anchor at WBBM-TV in Chicago
- Jim Williams (rugby union) (born 1968), Munster forwards coach and ex-player
- Jim Williams (darts player) (born 1984), Welsh darts player
- Jim Williams (composer), British TV and film composer
- Jimmy Williams (19th century manager) (1847–1918), baseball manager 1884, 1887–1888
- Jimmy Williams (second baseman) (1876–1965), MLB second baseman from 1899–1909
- Jimmy Williams (footballer, born 1888) (1888–1951), English footballer (Stoke City)
- Jimmy Williams (coach) (1926–2016), baseball player and manager
- Jimmy Williams (basketball coach) (born c.1949), American basketball coach
- Jimmy Williams (linebacker) (born 1960), former linebacker for the Detroit Lions
- Jimmy Williams (cornerback, born 1979) (born 1979), former American football cornerback
- Jimmy Williams (footballer, born 1982), English footballer
- Jimmy Williams (cornerback, born 1984) (born 1984), former American football cornerback
- Jimmy Williams (basketball player) (born 1986), Togolese basketball player
- Jimmy Williams (rugby league), rugby league footballer of the 1920s
- Jimy Williams (born 1943), Major League Baseball coach and former manager
- Jo Williams (born 1948), British civil servant
- Joan C. Williams (born 1952), American psychologist and academic
- JoBeth Williams (born 1948), American actress
- Jodie Williams (born 1993), British sprinter
- Jody Williams (disambiguation), multiple people
- Jody Williams (blues musician) (1935–2018), American blues guitarist and singer
- Jody Williams (born 1950), American teacher, recipient of 1997 Nobel Peace Prize
- Jody Williams (chef) (born 1963), American chef and television personality
- Jody Williams (Afrikaans singer) (born 1990), South African Pop/R&B singer better known as Jody
- Joe Williams (disambiguation), multiple people
- Big Joe Williams (1903–1982), Delta blues singer
- Cyclone Joe Williams (1886–1951), Negro Leagues baseball pitcher, a.k.a. "Smokey Joe" Williams
- Joseph G. Williams (born 1920), country music singer and songwriter
- Joe Williams (guard) (1896–1949), American football guard for the Canton Bulldogs and the New York Giants
- Joe Williams (running back) (born 1947), former NFL running back
- Joe Williams (linebacker) (born 1965), American football player
- Joe Williams (back) (1915–1997), American football player
- Joe Williams (fullback) (1941–2015), Canadian football player
- Joe Williams (defensive end) (born 1942), American football player
- Joe Williams (basketball) (born c.1934), American basketball coach at Jacksonville, Furman, and Florida State universities
- Joe Williams (Cook Islands politician) (born 1934), former Prime Minister of the Cook Islands
- Joe Williams (fighter) (born 1985), American mixed martial artist
- Joe Williams (film critic) (1958–2015) film critic for the St. Louis Post-Dispatch
- Joe Williams (footballer, born 1873) (1873–?), English footballer
- Joe Williams (footballer, born 1996), English footballer
- Joe Williams (Irish footballer) (1907–1987), Irish football player
- Joe Williams (jazz singer) (1918–1999), achieved prominence in the late 1950s
- Joe Williams (Joedelta) (born 1965), software developer
- Joe Williams (rugby league) (born 1983), Australian rugby league player for the Bulldogs National Rugby League team
- Joe Williams (wrestler) (born 1974), retired amateur American freestyle wrestler
- Joe Williams (running back, born 1993) (born 1993), American football player
- Joejuan Williams (born 1997), American football player
- Joel Williams (disambiguation), multiple people
- Joel Williams (linebacker) (born 1956), American football player
- Joel Williams (offensive lineman) (1926–1997), American football player
- Joel Williams (tight end) (born 1965), American football player
- Joey Williams (1902–1978), English footballer
- John, Johnnie and Johnny Williams (disambiguation), multiple people
- John Williams, 1st Baron Williams of Thame (1500–1559), British Lord Chamberlain
- John Williams, 1st Baron Williams of Thame (1500–1559), Lord Chamberlain
- John Williams (academic) (died 1613), Dean of Bangor and Principal of Jesus College, Oxford
- John Williams (archbishop of York) (1582–1650), British clergyman and political advisor to King James I
- John Williams (Wales MP), Welsh politician who sat in the House of Commons in 1653
- John Williams (minister and physician) (1626/7–1673), Welsh non-conformist preacher and doctor
- John Williams (bishop of Chichester) (c.1636–1709), English Bishop of Chichester
- Sir John Williams, 2nd Baronet, of Llangibby (1651–1704), MP for Monmouth Boroughs and Monmouthshire
- Sir John Williams, 2nd Baronet, of Eltham (1653–1723), MP for Herefordshire, 1701–1705
- John Williams (minister) (1664–1729), New England Puritan minister who wrote The Redeemed Captive
- Sir John Williams (died 1743), MP for Aldeburgh, 1730–1734
- John Williams (died 1751), MP for Fowey, 1701–1702
- John Williams (Continental Congress) (1731–1799), North Carolina delegate to Continental Congress
- John Williams (Pitt County, NC) (c. 1735–1789), American revolutionary from North Carolina
- John Williams (born 1736) (1736–?), MP for Saltash, 1771
- John Williams (Caswell County, NC) (1740–1804), North Carolina state senator
- John Foster Williams (1743–1814), Continental Navy officer during the American Revolutionary War
- John Williams (Salem, NY) (1752–1806), U.S. Representative from New York
- John Williams (barrister) (1757–1810), Welsh barrister and legal writer
- John Williams (schoolmaster) (1760–1826), clergyman in North Wales, teacher in Llanrwst
- John Williams (satirist) (1761–1818), English poet, satirist, and journalist
- John Williams (evangelical cleric) (1762–1802), Welsh Anglican clergyman
- John Williams (Windsor MP) (1766–?), MP for Windsor, 1802–1804
- John Williams (1777–1846), MP for Lincoln, 1822–1826, Ilchester, 1826–1827, and Winchelsea, 1830–1832
- John Williams (Tennessee) (1778–1837), U.S. Senator from Tennessee
- John R. Williams (1782–1854), mayor of Detroit
- John Tucker Williams (1789–1854), early Canadian political figure
- John Williams (1792–1858), Welsh churchman, scholar and educator
- John Williams (missionary) (1796–1839), British missionary eaten by cannibals in Vanuatu
- John Williams (Rochester, NY) (1807–1875), U.S. Representative from New York
- John Williams (Ab Ithel) (1811–1862), antiquary and Anglican priest
- John Stanton Williams (1814–1876), American shipowner and businessman
- John Williams (bishop of Connecticut) (1817–1899), Presiding Bishop of the Episcopal Church
- John M. S. Williams (1818–1886), U.S. Representative from Massachusetts
- John Stuart Williams (1818–1898), U.S. Senator from Kentucky and Confederate general
- John Carvell Williams (1821–1907), non-conformist campaigner and MP for Nottingham South and Mansfield
- John K. Williams (1822–1880), Member of the Wisconsin State Assembly
- John Joseph Williams (1822–1907), Archbishop of Boston
- John Williams (convict), convict transported to Van Diemen's Land (now Tasmania)
- John William Williams (1827–1904), New Zealand politician from Northland
- John Williams (Medal of Honor) (1832–?), American Civil War sailor and Medal of Honor recipient
- John A. Williams (judge) (1835–1900), U.S. Federal judge
- Sir John Williams, 1st Baronet, of the City of London (1840–1926), royal physician
- John J. Williams (American Civil War) (1843–1865), Union soldier during the American Civil War
- John Sharp Williams (1854–1932), U.S. Representative and Senator from Mississippi
- J. Lloyd Williams (1854–1945), Welsh botanist, author, and musician
- John Williams (VC) (1857–1932), born John Fielding, recipient of the Victoria Cross
- John Williams (Manitoba politician) (1860–1931), politician in Manitoba
- John Williams (Gower MP) (1861–1922), MP for Gower 1906–1922
- John Charles Williams (1861–1939), MP for Truro, 1892–1895
- John Skelton Williams (1865–1926), U.S. Comptroller of the Currency (1914–1921)
- John Whitridge Williams (1866–1931), obstetrician at Johns Hopkins Hospital
- John Richard Williams (poet) (1867–1924), Welsh poet, also known as J. R. Tryfanwy
- John James Williams (poet) (1869–1954), Welsh poet
- John Henry Williams (Welsh politician) (1870–1936), MP for Llanelli 1922–1936
- John Elias Williams (1871–1927), American Presbyterian missionary to China
- John Ralston Williams (1874–1965), Canadian-American physician
- John Williams (cricketer, born 1878) (1878–1915), English cricketer
- John F. Williams (New York) (1885–1963), New York state senator
- Jack Williams (VC) (1886–1953), Welsh recipient of the Victoria Cross
- John Osborn Williams (1886–1963), Canadian businessman
- John F. Williams (1887–1953), American Army National Guard general
- John Lloyd Williams (aviator) (1894–?), World War I fighter ace
- John Burr Williams (1900–1989), early finance theorist; author of The Theory of Investment Value (1938)
- John Williams (footballer, born 1901) (1901–1965), English professional footballer
- John Davis Williams (1902–1983), Chancellor of the University of Mississippi, 1946–1968
- John Williams (actor) (1903–1983), British stage, film, and television actor
- John J. Williams (senator) (1904–1988), U.S. Senator from Delaware
- John Williams (rugby league, born 1907) (1907–?), rugby league footballer of the 1930s for Wales and Rochdale Hornets
- John Bell Williams (1918–1983), U.S. Representative from Mississippi
- John Edwin Ashley Williams (1919–1944), Australian Air Force officer, murdered by the Gestapo
- John Edward Williams (1922–1994), American author, editor and professor
- John Lasarus Williams (1924–2004), Plaid Cymru councillor and language campaigner
- John Ellis Williams (1924–2008), Welsh novelist
- John A. Williams (1925–2015), American novelist
- John Reesor Williams (born 1930), politician and barrister
- John Williams (born 1932), American composer, conductor and pianist
- John Williams (British Army officer) (1934–2002)
- John Ffowcs Williams (born 1935), Emeritus Professor of Engineering at the University of Cambridge
- Chris Williams (bishop) (John Christopher Richard Williams, born 1936), Anglican bishop in Canada
- John Williams (snooker referee) (born 1937), Welsh snooker referee
- John Patrick Williams (born 1937), U.S. Representative from Montana
- John Tudno Williams (born 1938), Moderator of the Presbyterian Church of Wales, 2006–2007
- John Williams (Australian footballer, born 1940) (1940–2019), Australian footballer for Carlton
- John Williams (MMA fighter) (born 1940) Canadian martial artist
- John Williams (rugby union) (born 1940), Australian rugby union player
- John Williams (guitarist) (born 1941), Australian-born classical guitarist
- John Hartley Williams (1942–2014), English poet
- John Williams (defensive back) (born 1942), Canadian football player for Hamilton Tiger-Cats
- John Allen Williams (born 1945), professor of political science at Loyola University Chicago
- John Williams (motorcyclist) (1946–1978), British Grand Prix motorbike racer
- John David (musician) (John David Williams, born 1946), Welsh musician and songwriter
- John G. Williams (born 1946), Member of Parliament for Edmonton-St. Albert, Alberta
- John Williams (offensive lineman) (1947–2012), American football player
- John Williams (Australian footballer, born 1947), Australian footballer for Essendon and Collingwood
- John Williams (New South Wales state politician) (born 1948), Member of the New South Wales Legislative Assembly
- John Williams (archer) (born 1953), American archer
- John Williams (winemaker) (born 1953), American winemaker
- John Williams (New South Wales federal politician) (born 1955), Australian Senator from New South Wales
- John Williams (radio personality) (born 1959), Chicago radio personality
- John Williams (footballer, born 1960), English footballer
- John Williams (running back) (born 1960), American football player
- John "Hot Rod" Williams (born 1962), American basketball player
- John C. Williams (economist) (born 1962), President and Chief Exec. of the Federal Reserve Bank of San Francisco
- John L. Williams (born 1964), American football player
- John Williams (equestrian) (born 1965), American equestrian
- John Williams (basketball, born 1966), American basketball player
- John Henry Williams (baseball) (1968–2004), son of baseball player Ted Williams
- John Williams (footballer, born 1968), English footballer
- John Benson Williams, (born 1969), American wrestler known as Ian Rotten
- John Williams, Jr. (born 1977), Canadian football running back
- John B (John B. Williams, born 1977), English DJ
- John Williams (cricketer, born 1980), former English cricketer
- John Williams (rugby league) (born 1985), Australian rugby league player
- John Williams (Australian footballer, born 1988), Australian footballer for Essendon
- John Williams (water scientist), Australian member of the Wentworth Group of Concerned Scientists
- Johnnie Williams (baseball) (1889–1963), Major League Baseball pitcher
- Johnny Williams (rugby player 1882–1916), Welsh international rugby player
- Johnny Williams (drummer) (1905–1984), American jazz drummer (the Raymond Scott Quintette)
- Johnny Williams (blues musician) (1906–2006), American Chicago blues guitarist
- Johnny Williams (boxer) (1926–2007), British boxer
- Johnny Williams (American football) (1927–2005), American football player
- Johnny Williams (footballer, born 1935) (1935–2011), English footballer
- Johnny Williams (footballer, born 1947) (born 1947), English footballer
- Johnny Madison Williams Jr. (born 1951), bank robber
- Johnny Williams (rugby player born 1982) (born 1982), British rugby union player
- Johnnie Williams (baseball) (1889–1963), Major League Baseball pitcher
- Jonah Williams (born 1997), American football player
- Jonathan Williams (disambiguation), multiple people
- Jonathan Williams (engineer) (1751–1815), American businessman, military figure, politician, writer and engineer
- Jonathan Williams (antiquary) (c.1752–1829), Welsh antiquary
- Jonathan Williams (poet) (1929–2008), American poet, publisher, essayist, and photographer
- Jonathan Williams (racing driver) (1942–2014), British Formula 1 driver
- Jonathan Williams (horn player) (born 1957), British horn player
- Jonathan Williams (pianist) (born 1974), American pianist, songwriter and vocalist
- Jonathan Williams (athlete) (born 1983), American runner who has represented Belize
- Jonathan Williams (defensive lineman) (born 1985), professional Canadian football defensive lineman
- Jonathan Williams (running back, born 1988), American football player
- Jonathan Williams (footballer) (born 1993), Wales international footballer
- Jonathan Williams (running back, born 1994), American football player
- Jordan Williams (disambiguation), multiple people
- Jordan Williams (American football) (born 1993), American football player
- Jordan Williams (basketball, born 1990), American basketball player
- Jordan Williams (rugby union) (born 1993), Welsh rugby union footballer
- Jordan Williams (footballer, born 1995) (born 1995), Welsh footballer
- Joseph Williams (disambiguation), multiple people
- Joseph Williams (composer) (c. 1800–1834), English composer and coal-miner
- Joseph Williams (justice) (1801–1870), Chief Justice of the Iowa Supreme Court
- Joseph R. Williams (1808–1861), Michigan politician and first president of what is now Michigan State University
- Joseph Lanier Williams (1810–1865), U.S. Representative from Tennessee
- Joseph H. Williams (1814–1896), former Governor of Maine
- Joseph Powell Williams (1840–1904), English Liberal and Liberal Unionist politician
- Joseph Williams (bishop) (1857–1934), Bishop of St John's, South Africa
- Joseph Williams (English cricketer) (c. 1892–1916), English cricketer
- Joseph P. Williams (1915–2003), creator of the BankAmericard in 1958
- Joseph G. Williams (born 1920), songwriter known for his work in country music
- Joseph M. Williams (1933–2008), professor of English and author
- Joseph Williams (musician) (born 1960), rock singer and film score composer
- Joseph Williams (Barbadian cricketer) (born 1974), Barbadian cricketer
- Joseph Williams (Nevisian cricketer) (born 1989), Nevisian cricketer
- Josh Williams (American football) (born 1976), American footballer for the Indianapolis Colts
- Josh Williams (soccer) (born 1988), American soccer player
- Joshua Williams (1813–1881), English barrister and legal writer
- Joshua Williams (1837–1915), New Zealand lawyer, politician, Supreme Court judge and university chancellor
- Josiah B. Williams (1810–1883), New York politician
- Joss Williams, special effects supervisor
- Joy Williams (Australian writer) (1942–2006), Australian author of poetry
- Joy Williams (singer), Christian music singer and songwriter
- Joy Williams (American writer), American author of fiction
- Juan Williams (born 1954), Panamanian–born American journalist
- Jules Williams (born 1968), British writer, director and producer
- Julia Williams (abolitionist) (1811–1870), American abolitionist
- Julia Williams (academic) (born 19??), British paramedic science academic
- Julian Williams (American football) (born 1990), American football wide receiver
- Julian Williams (boxer) (born 1990), American boxer
- Julie Williams (scientist) (born c.1957), Chief Scientific Officer for Wales
- Julius Penson Williams (born 1954), American composer and conductor
- Julius Williams (born 1986), American Arena footballer
- Jumaane Williams (born 1976), American politician in New York City
- Junior Williams (born 1987), Grenadian international footballer
- Justin Williams (born 1981), Canadian ice hockey player
- Justin Williams (basketball) (born 1985), American basketball player
- Justin Williams (baseball) (born 1995), American baseball player
K
- K. D. Williams (born 1973), American footballer
- Kaa Williams, New Zealand TV presenter
- Kam Williams (born 1952), American journalist and critic
- Kamiko Williams (born 1991), American basketball player
- Karen Williams (soprano), American concert and opera soprano
- Karen Hastie Williams (born 1944), American lawyer and company director
- Karen J. Williams (1951–2013), American judge of the US Court of Appeals of the Fourth Circuit
- Karen Lynn Williams (born 1952), American writer of children's literature
- Karl Williams (born 1971), American football player
- Karlos Williams (born 1993), American football player
- Karyn Williams (born 1979), American Christian musician
- Kasen Williams (born 1992), American football wide receiver
- Kat Williams (born 1964), American blues singer
- Kate Williams (1875–1946), Welsh strongwoman with stage name Vulcana
- Kate Williams (historian) (born 1978), British author, historian and TV presenter
- Kate Williams (actress) (born 1941), English actress
- Kath Williams (1895–1975), Australian women's activist
- Katharine Williams (judge), Australian judge
- Kathleen M. Williams (born 1956), American judge
- Kathleen Williams (born 1963), American politician in Montana
- Kathryn Williams (born 1974), an English singer-songwriter
- Katie Williams (footballer) (born 1984), Welsh international footballer
- Katt Williams (born 1971), American comedian, actor, rapper and singer
- Kayla Williams (author) (born 1976), U.S. Army linguist
- Kayla Williams (gymnast) (born 1993), American gymnast
- Keiland Williams (born 1986), American football running back
- Keith Williams (disambiguation), multiple people
- Keith Williams (Australian footballer) (1926–2004), Fitzroy VFL footballer
- Keith Williams (footballer, born 1937), English footballer
- Keith Williams (born c.1955), Jamaican reggae singer better known as Honey Boy
- Keith Williams (comics) (born 1957), American comic book and comic strip artist
- Keith Williams (footballer, born 1957), English footballer; Aston Villa, Northampton Town and Bournemouth
- Keith Williams (architect) (born 1958), British architect
- Keith Williams (baseball) (born 1972), San Francisco Giants baseball player
- Keith Williams (cornerback) (born 1983), professional Canadian football cornerback
- Keith Williams (offensive lineman) (born 1988), Pittsburgh Steelers football player
- Keith Williams (bodybuilder) (born 1973), American bodybuilder and former footballer
- Keith P. Williams, American politician, member of the North Carolina General Assembly
- Keller Williams (born 1969), American musician
- Kelli Williams (born 1970), American actress
- Kelli Williams (musician) (born 1978), American gospel musician
- Kellie Shanygne Williams (born 1976), American actress
- Kelly Williams (born 1982), Filipino–American basketball player
- Kelly Glenn Williams, American filmmaker
- Kelvin Williams (born 1959), Trinidad and Tobago cricketer and national coach
- Ken Williams (disambiguation), multiple people
- Ken Williams (baseball) (1890–1959), baseball outfielder
- Ken Williams (Australian footballer) (1918–1977), Australian footballer for Collingwood
- Ken Williams (composer) (born 1952), Canadian composer for film and television
- Ken Williams (game developer) (born 1954), computer game developer and founder of Sierra On-Line
- Ken Williams (basketball), American college basketball player
- Kendal Williams (born 1995), American sprinter
- Kendall Williams (born 1991), American basketball player
- Kenji Williams, American filmmaker and musician
- Kenneth Williams (disambiguation), multiple people
- Kenneth Williams (politician) (1870–1935), Reform Party Member of Parliament in New Zealand
- Kenneth P. Williams (1887–1958), professor of mathematics at Indiana University
- Kenneth Williams (1926–1988), British actor
- Kenneth L. Williams (1934–2017), herpetologist
- Kenny Williams (disambiguation), multiple people
- Kenny Williams (announcer) (1914–1984), American television announcer
- Kenny Williams (educator) (1927–2003), American author and English professor
- Kenny Williams (baseball) (born 1964), Chicago White Sox Executive Vice President
- Kenny Williams (cyclist) (born 1967), American racing cyclist
- Kenny Williams (basketball) (born 1969), American basketball player, for the Indiana Pacers
- Kenny Williams (wrestler) (born 1993), Scottish Professional Wrestler
- Kenroy Williams (born 1984), Barbadian cricketer for the West Indies
- Kent Williams (disambiguation), multiple people
- Kent Williams (politician) (born 1949), Tennessee House of Representatives
- Kent Williams (actor) (born 1950), American stage and television actor
- Kent M. Williams (born 1960), South Carolina politician
- Kent Williams (artist) (born 1962), American graphic novel artist
- Kent Williams (voice actor) (born 1964), American voice actor for FUNimation
- Keron Williams (born 1984), Jamaican-born player of Canadian football
- Kerry Williams, American voice actress
- Kerwynn Williams (born 1991), American football running back
- Keston Williams (born 1988), Trinidad and Tobago international footballer
- Kevin Williams (disambiguation), multiple people
- Kevin Williams (basketball) (born 1961), retired American basketball player
- Kevin Williams (cornerback) (born 1961), former American football cornerback
- Kevin Williams (running back) (1970–2012), American football running back
- Kevin Williams (wide receiver, born 1958), former American football wide receiver
- Kevin Williams (wide receiver, born 1971), former American football wide receiver
- Kevin Williams (defensive back) (born 1975), former American football defensive back
- Kevin Williams (defensive tackle) (born 1980), American football defensive tackle
- Kid Williams (1893–1963), Danish boxer; bantamweight world champion
- Kiely Williams (born 1986), American singer/actress, Member of girl groups The Cheetah Girls and 3LW
- Kim and Kimberley Williams (disambiguation), multiple people
- Kim Williams (writer) (1923–1986), American naturalist and writer
- Kim Williams (media executive) (born 1952), Australian media executive
- Kimberly Williams-Paisley (born 1971), American actress
- Kimberly Kevon Williams (born 1985), American actress
- Kimberly Williams (athlete) (born 1988), Jamaican triple jumper
- Kimo Williams (born 1950), American composer, musician and professor
- Kip Williams (born 1968), American director, producer and screenwriter; Tod Culpan "Kip" Williams
- Kipling Williams, American psychology academic
- Kipper Williams (born 1951), British cartoonist
- Kirk Williams (born 1986), American basketball player
- Kirsty Williams (born 1971), Welsh politician; leader of the Welsh Liberal Democrats
- Kirsty Williams, British radio drama director and producer
- Kit Williams (born 1946), English artist, illustrator and author; Masquerade
- Kiyan Williams (born 1991) American multidisciplinary artist
- Korey Williams (born 1987), American football player
- Korto Reeves Williams, Liberian activist
- Kris Williams (filmmaker) (born 1980), American filmmaker and high school teacher
- K'Waun Williams (born 1991), American football player
- Kyle Williams (disambiguation), multiple people
- Kyle Williams (defensive tackle) (born 1983), defensive tackle for the NFL's Buffalo Bills
- Kyle Williams (offensive tackle) (born 1984), offensive tackle for the NFL's Seattle Seahawks
- Kyle Williams (footballer) (born 1987), association football player from the Bahamas
- Kyle Williams (wide receiver) (born 1988), American football wide receiver for the Kansas City Chiefs
- Kylie Williams (born 1983), American beauty queen
L
- L. D. Williams (born 1988), American basketball player
- L. F. Rushbrook Williams (Laurence Frederic Rushbrook Williams, 1890–1978), British historian & civil servant
- Lamanzer Williams (born 1974), American football defensive end
- Lance Williams (graphics researcher) (1949–2017), American graphics researcher
- Lance Williams (basketball) (born 1980), American basketball player
- LaQuan Williams (born 1988), American football wide receiver
- Larry Williams (disambiguation), multiple people
- Larry R. Williams (born 1942), American author and commodity trader and father of actress Michelle Williams
- Larry Williams, Jr. (born 1985), American football defensive back
- Larry Williams (jazz musician), member of Seawind and keyboardist for Al Jarreau
- Latavious Williams (born 1989), American basketball player
- LaToy Williams (born 1988), Bahamian sprinter
- Latoya Williams (born 1987), American basketball player
- Laurie Williams (disambiguation), multiple people
- Lauryn Williams (born 1983), Trinidadian-born American Olympic sprinter and bobsleigh athlete
- Lawrence Williams (disambiguation), multiple people
- Lawrence P. Williams (1905–1996), British motion picture art director
- Lawrence G. Williams (1913–1975), US congressman from Pennsylvania
- Lawrence Williams (cricketer) (born 1946), Welsh former cricketer
- Layton Williams (born 1994), English stage and TV actor
- Lee Williams (disambiguation), multiple people
- Lee "Shot" Williams (1938–2011), American soul, soul blues, and R&B singer
- Lee Williams (American football) (born 1962), American football player
- Lee Williams (actor) (born 1974), Welsh actor and model
- Lee Williams (golfer) (born 1981), American golfer
- Lee Williams (rugby union) (born 1986), Welsh rugby union player
- Lee Williams (rugby league) (born 1988), Welsh rugby league player
- Lefty Williams (born 1974), American guitarist
- Leila Williams (born 1937), British beauty queen and TV presenter (Blue Peter 1958–62)
- Leighton Williams (born 1977), Welsh chess master
- Len Williams (speedway rider) (1921–2007), English international speedway rider
- Len Williams (Canadian football) (born 1971), Canadian football quarterback
- Lenae Williams (born 1979), American basketball player
- Lenny Williams (born 1945), American singer
- Lenny Williams (Canadian football) (born 1981), US Canadian footballer
- Leo Williams (disambiguation), multiple people
- Leo Williams (rugby union) (1941–2009), Australian rugby union official
- Leo Williams (musician) (born 1959), British-Jamaican bass guitarist
- Leo Williams (athlete) (born 1960), American high jumper
- Leon Williams (disambiguation), multiple people
- Leon Williams (baseball) (1905–1984), Major League Baseball player
- Leon Norman Williams (1914–1999), British philatelic writer
- Leon Jay Williams (born 1976), Singaporean singer and actor in Taiwanese dramas
- Leon Williams (American football) (born 1983), American football linebacker
- Leon Williams (boxer) (born 1983), British boxer
- Leon Williams (basketball, born 1986), basketball player
- Leon Williams (basketball, born 1992), Dutch basketball player
- Leona Williams (born 1943), American country music singer
- Leonard Williams (disambiguation), multiple people
- Leonard Williams (bishop) (1829–1916), Anglican bishop in New Zealand
- Sir Leonard Williams (politician) (1904–1972), British politician and Governor General of Mauritius
- Leonard Williams (actor) (1917–1962), British actor
- Leonard E. H. Williams (1919–2007), former head of the Nationwide Building Society and Spitfire pilot
- Leonard Williams (American football) (born 1994), college football defensive lineman for the USC Trojans
- Leroy Williams (born 1937), American jazz drummer
- Leslie Williams (disambiguation), multiple people
- Leslie Williams (Archdeacon of Bristol) (1909–1996), Archdeacon of Bristol, 1967–1979
- Leslie Williams (Archdeacon of Chester) (1919–2013), Archdeacon of Chester, 1975–1988
- Leslie Williams (rugby) (1922–2006), Welsh rugby player
- L. Pearce Williams (1927–2015), professor of the history of science at Cornell University
- Leslie Williams (politician), Australian member of the New South Wales Legislative Assembly
- Lester Williams (musician) (1920–1990), American blues guitarist, singer and songwriter
- Lester Williams (born 1959), American football defensive tackle
- Levi Williams (1794–1860), Illinois militia member and Baptist minister
- Levron Williams (born 1979), US American and Canadian footballer
- Lew Williams (1934–2019), American rockabilly singer and songwriter
- Lewis Williams (born 1987), Welsh rugby union player
- Lia Williams (born 1964), English actress
- Liam Williams (rugby player) (born 1991), Welsh rugby union player
- Liam Williams (boxer) (born 1992), Welsh boxer
- Lincoln Williams (born 1993), Australian volleyball player
- Linda Williams (disambiguation), multiple people
- Linda Williams (born c. 1940s), folk singer in duo Robin and Linda Williams
- Linda Williams (singer) (born 1955), Dutch singer
- Linda Williams (film scholar) (born 1946), American academic
- Linda Ruth Williams (born 1961), British academic and wife of Mark Kermode
- Linda M. Williams (born c.1949), American sociologist and criminologist
- Lindon Williams (1932–1989), American Democratic Texan politician
- Lindsay Williams (born 1946), British Olympic slalom canoeist
- Lisa Williams (poet) (born 1966), American poet
- Liz Williams (born 1965), British sci–fi writer
- Lizaad Williams (born 1993), South African cricketer
- Lizzie Williams (born 1983), Australian racing cyclist
- W. Llewelyn Williams (1867–1922), Welsh journalist, lawyer and Liberal politician
- Lloyd Williams (disambiguation), multiple people
- J. Lloyd Williams (1854–1945), Welsh botanist, author, and musician
- Lloyd W. Williams (1887–1918), American World War I Marine officer
- Lloyd Williams (cricketer) (1925–2007), Welsh cricketer
- Lloyd Williams (rugby union player born 1933) (1933–2017), Wales international rugby union player
- Lloyd Williams (footballer) (born 1934), Australian footballer for Collingwood
- Lloyd Williams (businessman) (born 1940), an Australian businessman and thoroughbred racehorse owner
- Lloyd Williams (filmmaker) (born 1940), American filmmaker
- Lloyd Williams (singer), Jamaican reggae singer of the 1960s
- Lloyd Williams (rugby union player born 1989) (born 1989), Wales international rugby union scrum-half
- Llŷr Williams (born 1976), Welsh pianist
- Llywelyn Williams (1911–1965), Welsh Labour party politician
- Lon Williams (1890–1978), American author, teacher and lawyer
- Lona Williams (born 1966), American TV producer, writer and actress
- Lorenzo Williams (disambiguation), multiple people
- Lori Williams (born 1946), American actress
- Lorraine Williams, American businesswoman
- Lottie Williams (1874–1962), American character actress
- Louis Williams (disambiguation), multiple people
- Louis Williams (footballer) (1889–????), English footballer
- Louis Williams (architect) (1890–1980), Australian architect
- Louis Williams (American football) (born 1979), American football player
- Louis "Lou" Williams (born 1986), American basketball player
- Lucinda Williams (born 1953), American rock, folk, and country music singer and songwriter
- Lucinda Williams (athlete) (born 1937), American runner
- Lucy Williams (born 1976), Australian paralympic swimmer
- Luke Williams (disambiguation), multiple people
- Luke Williams (wrestler) (born 1947), New Zealand professional wrestler
- Luke Williams (author) (born 1977), Scottish author
- Luke Williams (Australian rules footballer) (born 1979), Australian footballer
- Luke Williams (footballer, born 1981), English football manager and former footballer, currently managing Bristol City Under-23's
- Luke Williams (soccer) (born 1983), American soccer player
- Luke Williams (footballer, born 1993), English footballer currently playing for Middlesbrough
- Lukyn Williams (1853–1943), Christian author
- Lydia Williams (born 1988), Australian soccer player
- Lyle Williams (1942–2008), American politician
- Lynda Williams (born 1958), Canadian sci-fi writer and blogger
- Lynn Williams (disambiguation), multiple people
- Lynn R. Williams (1924–2014), Canadian labor leader and President of United Steelworkers of America
- Lynn Williams (sailor) (born 1939), American Olympic sailor
- Lynn Kanuka-Williams (born 1960), Canadian Olympic athlete
- Lynn "Red" Williams (born 1963), American actor
- Lynn Williams (soccer) (born 1993), American soccer player
M
- Madeleine Williams (born 1983), Canadian cross-country skier
- Madieu Williams (born 1981), American football player
- Maggie Williams (born 1954), American management consultant and campaign manager for Hillary Clinton
- Maisie Williams (born 1997), English actress
- Maiya Williams (born 1962), American author, TV producer and screenwriter
- Maizie Williams (born 1951), Montserratian-born British singer
- Malcolm Williams (disambiguation), multiple people
- Malcolm Williams (actor) (1870–1937), American stage actor
- Malcolm Williams (cricketer) (born 1949), Guyanese cricketer
- Malcolm Williams (American football) (born 1987), American football cornerback
- Malinda Williams (born 1976), American actress
- Malique Williams (born 1988), Antiguan Olympic swimmer
- Mandisa Williams (born 1984), South African rugby union player
- Marc Lloyd Williams (born 1973), Welsh footballer
- Marc Williams (born 1988), Welsh footballer
- Marco Williams, American documentary filmmaker
- Marcus Williams (disambiguation), multiple people
- Marcus Williams (tight end) (born 1977), former backup tight end for the Oakland Raiders
- Marcus Williams (basketball, born 1985), American basketball player
- Marcus Williams (basketball, born 1986), American basketball player
- Marcus Williams (footballer) (born 1986), English football player
- Marcus Williams (defensive back) (born 1991), US American footballer
- Marcus Williams (safety) (born 1996), American football player
- Margaret Lindsay Williams (1888–1960), Welsh artist
- Margot Williams (botanist), American botanist
- Margot Williams, American journalist
- Marianne Williams (1793–1879), British pioneering educator in New Zealand
- Mario Williams (born 1985), American football defensive end; Houston Texans, Buffalo Bills
- Marion Williams (1927–1994), American gospel singer
- Marion Vernese Williams, Barbadian economist, banker, accountant and diplomat
- Marjorie Williams (1958–2005), American writer, reporter and columnist
- Mark Williams (disambiguation), multiple people
- Mark W. Williams (1925–2013), former US Army Ranger and participant in D-Day
- Mark Williams (writer) (born 1951), New Zealand academic, writer, critic, poet
- Mark Williams (baseball) (born 1953), American former Major League Baseball player
- Mark Williams (singer) (born 1954), New Zealand singer
- Mark Williams (Australian footballer, born 1957), Australian rules footballer
- Mark Williams (Australian footballer, born 1958), Australian rules footballer and coach
- Mark Williams (actor) (born 1959), British actor and comedian
- Mark London Williams (born 1959), American author and journalist
- Mark Williams (rugby player) (born 1961), American rugby union international
- Mark T. Williams (born 1963), American educator, author and risk management expert
- Mark Williams (Australian footballer, born 1964), Australian rules footballer and coach
- Mark Williams (politician) (born 1966), British Member of Parliament for Ceredigion
- Mark Williams (South African footballer) (born 1966), South African international footballer
- Mark Williams (footballer, born 1970), Northern Ireland international footballer
- Mark Williams (American football) (born 1971), American football player
- Mark "Slave" Williams (born 1971), New Zealand hip hop MC, television presenter
- Mark Williams (snooker player) (born 1975), Welsh professional snooker player
- Mark Williams (organist) (born 1978), Director of Music at Jesus College, Cambridge
- Mark Williams (footballer, born 1982), English footballer who played as a midfielder
- Mark Williams (Australian footballer, born 1983), Australian rules footballer with Hawthorn and Essendon
- Mark Williams (radio host), American journalist & radio personality
- J. Mark G. Williams, academic and author specialising in depression and suicide
- Mark Williams-Thomas (born 1970), investigative journalist
- Marley Williams (born 1993), Australian rules footballer
- Marmaduke Williams (1772–1850), American politician
- Marquez Williams (born 1994), American football player
- Marquise Williams (born 1992), American football player
- Mars Williams (born 1955), American jazz and rock saxophonist
- Marsha Garces Williams (born 1956), American film producer
- Marshall Williams (born 1989), Canadian actor, model and musician
- Martin, Marty or Martyn Williams (disambiguation), multiple people
- Martin Williams (writer) (1924–1992), American music critic
- Martin Williams (priest) (born 1937), Welsh archdeacon
- Martin Williams (diplomat) (born 1941), former British ambassador
- Martin Williams (footballer) (born 1973), English footballer
- Martin H. Williams, American forensic psychologist
- Marty Williams (born 1951), American politician in Virginia
- Martyn Williams (born 1975), Wales and British Lions international rugby union player
- Marty Williams (born 1951), American politician in Virginia
- Marvin Williams (disambiguation), multiple people
- Marvin Williams (American football) (born 1963), American football player
- Marvin Williams (born 1986), American basketball player
- Marvin Williams (basketball, born 1993), American basketball player
- Marvin Williams (footballer) (born 1987), English football player
- Mary Williams (disambiguation), multiple people
- Mary Williams (caricaturist) (1869–1960), American caricaturist who used the pseudonym Kate Carew
- Mary Wilhelmine Williams (1878–1944), historian
- Mary Lou Williams (1910–1981), American jazz pianist, composer, and arranger
- Mary Burrus Williams (born 1941), co-author of historical novels under the pen name Bronwyn Williams
- Mary Bushnell Williams (1826–1891), American author, poet, translator
- Mary Williams (Wisconsin politician) (born 1949), member of the Wisconsin State Assembly
- Mary Alice Williams (born 1949), former television anchor
- Mary Ellen Coster Williams (born 1953), United States Court of Federal Claims judge
- Mary Luana Williams (born 1967), American social activist and adopted daughter of Jane Fonda
- Mary Elizabeth Williams, American writer and commentator
- Mason Williams (born 1938), American guitarist, composer, poet and comedy writer
- Mason Williams (baseball) (born 1991), American baseball player
- Matilda Alice Williams (1875–1973), New Zealand Methodist deaconess
- Matt and Matthew Williams (disambiguation), multiple people
- Matt Williams (right-handed pitcher) (born 1959), Major League Baseball player
- Matt Williams (rugby coach) (born 1960), rugby union coach
- Matt Williams (TV producer) (born 1964), American television producer
- Matt Williams (third baseman) (born 1965), Major League Baseball player and manager
- Matt Williams (left-handed pitcher) (born 1971), Major League Baseball player
- Matt Williams (radio presenter) (born 1971), BBC radio sports reporter and presenter
- Matt Williams (Internet entrepreneur) (born 1972), Internet entrepreneur
- Matt Williams (Australian politician) (born 1973), Australian politician
- Matt Williams (equestrian) (born 1985), Australian show jumper
- Matt Williams (soccer, born 1986), American soccer player
- Matt Williams (soccer, born 1987), American soccer player
- Matt Williams (American football), placekicker for the Texas Tech Red Raiders
- Matt Williams (rugby player), English rugby union player
- Matthew Williams (laborer) (1908–1931), lynching victim in the United States
- Matthew Williams (baseball) (born 1987), Australian baseball player
- Matthew Williams (footballer) (born 1982), Welsh footballer
- Maurice Williams (disambiguation), multiple people
- Maurice Williams (rugby league) (born 1942), English rugby league footballer of the 1960s
- Maurice Williams (offensive tackle) (born 1979), American footballer
- Maurice Williams (wide receiver) (born 1987), American footballer
- Max Williams (disambiguation), multiple people
- Maxx Williams (born 1994), American football tight end
- Medwyn Williams, Welsh vegetable gardener
- Megan Williams (actress) (1956–2000), Australian actress and singer
- Megan Williams-Stewart (born 1987), American figure skater
- Mekeil Williams (born 1990), Trinidadian international footballer
- Melanie Williams (born 1964), British singer
- Melvin Williams (disambiguation), multiple people
- Melvin Williams (actor) (1941–2015), American actor
- Melvin Williams (admiral), American Navy admiral
- Melvin Williams (American football) (born 1979), American football player
- Mentor Williams (1946–2016), American songwriter and producer
- Mercy Williams (c.1947–2014), Indian politician
- Meritzer Williams (born 1989), Saint Kitts and Nevis sprinter
- Merriwether Williams (born 1968), American TV writer
- Meshak Williams (born 1991), American footballer
- Micah Stephen Williams (born 1991), American actor
- Michael Williams (disambiguation), multiple people
- Michael Williams (MP) (1784–1858), MP for West Cornwall and owner of Caerhays castle
- Sir Michael S. Williams (1911–1984), British diplomat
- Michael J. Williams (politician) (born 1929), Trinidad and Tobago politician, acting President 1986–1987
- Michael Williams (actor) (1935–2001), British actor and husband of Judi Dench
- Michael J. Williams (born 1943), retired United States Marine Corps 4-star general
- Michael James Williams (c. 1944–1983), known as Prince Far I, Jamaican reggae musician
- Michael Williams (figure skater) (born 1947), British ice skater
- Michael Williams (philosopher) (born 1947), professor of philosophy at Johns Hopkins University
- Michael Williams (diplomat) (1949–2017), Baron Williams of Baglan, UN Special Coordinator for Lebanon
- Michael Williams (author) (born 1952), known for his Dragonlance novels
- Michael L. Williams (born 1953), Texas Railroad Commissioner; candidate for U.S. Senate
- Michael Glenn Williams (born 1957), composer, pianist and technologist
- Michael Williams (film producer) (born 1957), American film director; 2004 Academy Award winner
- Michael Williams (running back) (born 1961), American football player
- Michael F. Williams (born 1962), composer of contemporary classical music
- Michael Williams (boxer) (born 1962), former heavyweight boxing prospect and actor
- Michael K. Williams (born 1966), American actor best known for his role in The Wire
- Michael Williams (line producer) (born 1968), line producer and creator of Crewster
- Michael Williams (Canadian TV personality), former MuchMusic VJ
- Michael C. Williams (actor) (born 1973), American actor
- Michael Williams (defensive back) (born 1970), American football player
- Michael John Williams (born 1979), former Congressional candidate for the 5th District of Connecticut
- Michael Williams (defensive lineman) (born 1984), professional Canadian and Arena football defensive end
- Michael Williams (hip hop producer) (born 1989), American music producer based in Atlanta, Georgia
- Michael Williams (offensive lineman) (born 1990), American football offensive lineman
- Michael R. Williams, president of the University of North Texas Health Science Center
- Michael Williams (guitarist), American blues guitarist
- Micheal R. Williams (born 1954), U.S. politician from Tennessee
- Micheal Williams (born 1966), former point guard in the National Basketball Association
- Michelle Williams (singer) (born 1980), American singer and actress, member of group Destiny's Child
- Michelle Williams (actress) (born 1980), American actress
- Midge Williams (1915–1952), American swing and jazz vocalist
- Mike Williams (disambiguation), multiple people
- Mike Williams (New Zealand politician) (born 1949), former President of the New Zealand Labour Party
- Mike Williams (cornerback) (born 1953), American football cornerback
- Mike Williams (American football, born 1957), American football player
- Mike Williams (tight end) (born 1959), American football tight end
- Mike Williams (basketball) (born 1963), American basketball player
- Mike Williams (footballer, born 1965), Welsh football player for Chester City and Wrexham
- Mike Williams (wide receiver, born 1966), American football wide receiver
- Mike Williams (baseball) (born 1968), American baseball player
- Mike Williams (singer) (born 1968), singer for Eyehategod
- Mike Williams (footballer, born 1969), English football player
- Mike Williams (journalist), (born 1979) British music journalist and current editor of NME
- Mike Williams (offensive lineman) (born 1980), American football offensive lineman
- Mike Williams (wide receiver, born 1984), American football wide receiver
- Mike Williams (footballer, born 1986), Welsh football player for Wrexham and Altrincham
- Mike Williams (wide receiver, born 1987), American football wide receiver
- Mike Williams (rugby union) (born 1991), Zimbabwean rugby player
- Mike Williams (wide receiver, born 1994), American football wide receiver
- Mike Williams (trumpeter), American; lead trumpet for the Count Basie Orchestra
- Milt Williams (born 1945), American basketball point guard
- Mitch Williams (politician) (born 1953), South Australian Liberal politician and farmer
- Mitch Williams (baseball) (born 1964), known as "Wild Thing", Major League Baseball pitcher
- Mo Williams (born 1982), American basketball player
- Moe Williams (born 1974), American football running back
- Molly Williams (fl.1818), former slave and first female firefighter in New York
- Monk Williams (1945–2003), American football player
- Montel Williams (born 1956), American television talk show host
- Monty Williams (born 1971), American basketball player and coach
- Morgan Williams (disambiguation), multiple people
- Morgan B. Williams (1831–1903), member of the U.S. House of Representatives
- Morgan Williams (politician) (1878–1970), New Zealand Member of Parliament
- Morgan Williams (ecologist) (born 1943), Parliamentary Commissioner for the Environment in New Zealand
- Morgan Williams (Canadian rugby player) (born 1976), Canadian rugby union player
- Morris Williams (1809–1874), Welsh clergyman and writer
- Morris Meredith Williams (1881–1973), British painter and illustrator
- Morris Williams (politician) (1924–1995), Australian politician
- Murray Williams (born 1982), New Zealand rugby union footballer and Japan international
- Myrna Williams (politician) (born 1929), American politician in Nevada
- Myron B. Williams (c.1817–1884), American politician and lawyer
N
- N. D. Williams (born 1942), Guyanese writer
- Nancy Williams, New Zealand cricketer
- Nar Williams, American TV and film writer and media personality
- Nat Williams (born 1956), American law-enforcement officer
- Natalie Williams (born 1970), American basketball player
- Natasha Williams (actress) (born 1971), Jamaican actress based in Britain
- Nate Williams (born 1950), American basketball player
- Nathan Williams (disambiguation), multiple people
- Nathan Williams (politician) (1773–1835), United States Representative from New York
- Nathan Williams (Zydeco) (born 1964), American Zydeco accordionist and singer
- Nathan Hale Williams (born 1976), American film and television producer
- Nathan Williams (rugby player) (born 1983), Welsh rugby player
- Neal H. Williams (1870–1956), American physicist
- Neil Williams (disambiguation), multiple people
- Neil Williams (artist) (1934–1988), American painter
- Neil Williams (cricketer) (1962–2006), England cricketer
- Neil Williams (pilot) (1934–1977), aerobatic pilot
- Neil Williams (water polo) (1918–1998), former water polo representative from New Zealand
- Nell Williams (born 1998), English actress
- Nelly Williams (born 1980), West Indian cricketer from Trinidad and Tobago
- Nelson Williams (1917–1973), American jazz trumpeter
- Neville Williams (born c.1940), elder of the Wiradjuri nation in Western New South Wales
- Nia Williams (born 1990), American soccer player
- Niall Williams (born 1958), Irish author
- Sir Nicholas Williams, 1st Baronet (1681–1745), British politician
- Nicholas Williams (born 1942), English linguist and expert on the Cornish language
- Nicholas Charles Williams (born 1961), English painter and draughtsman
- Nick Williams (disambiguation), multiple people
- Nick Boddie Williams (1906–1992), American journalist
- Nick Luchey (born 1977), American football player originally named Nick Williams
- Nick Williams (rugby union) (born 1983), New Zealand rugby union footballer
- Nick Williams (defensive lineman) (born 1990), American football defensive end
- Nick Williams (wide receiver) (born 1990), American football wide receiver
- Nick Williams (baseball) (born 1993), baseball player
- Nicko Williams (born 1989), Grenadian footballer
- Nicola Williams (born 1982), Australian soccer player and coach
- Nicole Williams (disambiguation), multiple people
- Nigel Williams (disambiguation), multiple people
- Nigel Williams (author) (born 1948), British novelist, screenwriter and playwright
- Nigel Williams (footballer) (born 1954), English former professional footballer
- Nigel Williams (broadcaster), British broadcaster and voice over artist
- Nigel Shawn Williams, Canadian actor and theatre director
- Nikki Williams (born 1988), South African singer-songwriter
- Noel Williams, Northern Irish politician
- Norma Williams (1928–2017), New Zealand swimmer
- Norman Williams (disambiguation), multiple people
- Norman Williams (politician) (1791–1868), Vermont attorney and politician
- Norman Powell Williams (1883–1943), Anglo-Catholic theologian
- Norman Williams (RAAF officer) (1914–2007), Royal Australian Air Force officer
- Norman Neale Williams II (1940–2011), American actor known as Aron Kincaid
- Norman Stanley Williams (born 1947), British surgeon
- Novlene Williams-Mills (born 1982), Jamaican Olympic 400 metre runner
- Nushawn Williams (born 1976), American sex offender
O
- Olajide Williams (born 1988), Nigerian footballer
- Oliver Williams (born 1983), English cricketer
- Olivia Williams (born 1968), British actress
- Olly Williams, British artist working as one half of Olly and Suzi
- O'Neill Williams (born 1943), American angler and TV presenter
- Oren Williams (born 1992), American actor
- Orrin J. Williams (1844–1913), American businessman and politician
- Orrin T. Williams (1845–1928), American judge and politician
- Oritsé Williams (born 1986), English singer-songwriter, dancer and record producer ('JLS')
- Osbert Edwin Williams, Jr. (1875–1917), pioneer aviator
- Oscar Williams, pen–name of Oscar Kaplan (1900–1964), American anthologist and poet
- Oscar Williams (filmmaker), actor, screenwriter and film director
- Oshor Williams (born 1958), English footballer
- Otis Williams (born 1941), American singer and member of The Temptations
- Owain Williams, Welsh nationalist, convicted bomber–turned–politician
- Owen Williams (disambiguation), multiple people
- Owen Williams (MP) (1764–1832), Member of Parliament for Great Marlow, 1796–1832
- Owen Lewis Cope Williams (1836–1913), British Member of Parliament for Great Marlow, 1880–1885
- Owen Williams (engineer) (1890–1969), English civil engineer
- Owen Williams (footballer) (1896–1960), English football player
- Owen Williams (footballer, born 1873), English footballer
- Owen Williams (rugby union, born 1986), Welsh rugby union player
- Owen Williams (rugby union, born 1991), Welsh rugby union centre
- Owen Williams (rugby union, born 1992), Welsh rugby union fly-half
- R. Owen Williams, Transylvania University President
P
- P. J. Williams (born 1993), American football cornerback
- Palmer Williams Jr. (born 1965), American actor
- Pamela Williams, American jazz saxophonist, songwriter, producer and artist
- Parker Williams (1873–1958), Welsh–born Canadian politician
- Pat Williams (disambiguation), multiple people
- Pat Williams (basketball) (born 1940), American basketball executive; motivational speaker, author and radio host
- Pat Ward Williams (born 1948), American photographer
- Pat Williams (American football) (born 1972), American football defensive tackle
- Pat Williams (director), Canadian television director
- Patricia J. Williams (born 1951), American legal scholar
- Patrick Williams (disambiguation), multiple people
- Patrick Williams (Louisiana politician) (born 1963), American politician
- Patrick Williams (composer) (1939–2018), American composer
- Patrick Williams (wide receiver) (born 1986), American football wide receiver
- Patti Williams (born 1955), American wrestler known as Precious
- Paul Williams (disambiguation), multiple people
- Paul "Billy" Williams (1892–1973), American college sports coach
- Paul L. Williams (US general) (1894–1968), United States general in World War II
- Paul Williams (architect) (1894–1980), prominent architect in Los Angeles, California
- Paul X. Williams (1908–1994), U.S. federal judge
- Paul Williams (saxophonist) (1915–2002), rhythm and blues saxophonist
- Paul Williams (Conservative politician) (1922–2008), British Member of Parliament
- Paul O. Williams (1935–2009), American science-fiction author and poet
- Paul Williams (1934–2016), birth name of soul musician Billy Paul
- Paul Williams (The Temptations) (1939–1973), tenor/baritone from the popular Motown act The Temptations
- Paul Williams (composer / pianist) (born 1940), British composer and pianist
- Paul Williams (songwriter) (born 1940), songwriter; film and television actor
- Paul Williams (director) (born 1943), American film and television director
- Paul L. Williams (author) (born 1944), former FBI consultant, journalist and author
- Paul Williams (Canadian football) (born 1947), Canadian football defensive back
- Paul Williams (Crawdaddy! creator) (1948–2013), American author who created the music magazine Crawdaddy!
- Paul Williams (health service manager) (born 1948), former Chief Executive, NHS Wales
- Paul Williams (philosopher) (born 1950), professor of Indian and Tibetan Philosophy at the University of Bristol, UK
- Paul Williams (athlete) (born 1956), Canadian middle-distance runner
- Paul Williams (footballer, born 1962), English former footballer
- Paul Williams (Northern Ireland footballer) (born 1963), Northern Ireland footballer
- Paul Williams (Irish journalist) (born 1964), Irish journalist and non-fiction crime writer
- Paul Williams (quarterback) (born 1964), American football player
- Paul Williams (footballer, born 1965), English footballer
- Paul Williams (author) (born 1967), British author and consultant on ska music
- Paul Williams (bishop) (born 1968), Bishop of Kensington
- Paul Williams (footballer, born 1969), English footballer
- Paul Williams (footballer, born 1971), English footballer and coach
- Paul Williams (Labour politician) (born 1972), British Member of Parliament
- Paul Williams (Australian rules footballer) (born 1973), Australian rules footballer for the Sydney Swans
- Paul Andrew Williams (born 1973), British film writer and director
- Paul Williams (boxer) (born 1981), American boxer
- Paul Williams (rugby union) (born 1983), New Zealand rugby union footballer
- Paul Williams (wide receiver) (born 1983), American wide receiver for the Houston Texans
- Paul Williams (sprinter) (born 1986), Grenadian sprinter
- Paul Williams (bluegrass musician), American bluegrass and gospel musician
- Paul R. Williams (professor), American professor of law
- Peggy R. Williams, US/Canadian college president
- Pendarvis Williams (born 1991), American basketball player
- Penny Williams (1937–2018), American politician in Oklahoma
- Percy Williams (sprinter) (1908–1982), Canadian athlete
- Percy G. Williams (1857−1923), American vaudeville performer and vaudeville theater owner/manager
- Pernal Williams (born 1991), St Lucian international footballer
- Pete, Peter and Petey Williams (disambiguation), multiple people
- Pete Williams (journalist) (born 1952), NBC News television correspondent based in Washington, D.C.
- Pete Williams (basketball) (born 1965), American professional basketball player
- Pete Williams (fighter) (born 1975), American mixed martial arts fighter
- Peter Bailey Williams (1763–1836), Welsh Anglican priest and amateur antiquarian
- Peter Williams, Jr. (1780–1840), second African-American Episcopal priest
- Peter Williams (Australian footballer, born 1867) (1867–1949), former VFL footballer for Carlton
- Peter Williams (Irish cricketer) (1897–1971)
- Peter Williams (Australian cricketer) (born 1942)
- Peter Williams (English footballer) (born 1931), English footballer
- Peter D. Williams (born 1939), retired United States Marine Corps general and an aviator
- Peter Williams (Australian footballer, born 1944), former VFL footballer for Fitzroy
- Peter Williams (motorcyclist) (born 1945), participant in the Isle of Man TT, 1967
- Sir Peter Williams (physicist) (born 1945), Chancellor, University of Leicester
- Peter Williams (educationalist) (born 1948), Chief Executive of the Quality Assurance Agency for Higher Education (QAA)
- Peter Williams (broadcaster) (born 1954), New Zealand television presenter
- Peter Williams (actor) (born 1957), Jamaican actor
- Peter Williams (Australian footballer, born 1957), former VFL footballer for Richmond
- Peter Damian Williams (born 1957), Australian author and military historian
- Peter Williams (English rugby player) (born 1958), rugby union and rugby league footballer
- Peter Llewellyn Williams (born 1964), British stage and television actor
- Peter Williams (swimmer) (born 1968), from South Africa
- Peter Williams (alpine skier) (born 1983), New Zealand para-alpine sit-skier
- Peter Francis Williams, Australian amateur astronomer
- Petey Williams (born 1981), professional wrestler
- Pharrell Williams (born 1973), American singer/rapper/producer
- Phil and Philip Williams (disambiguation)
- Phil Williams (Welsh politician) (1939–2003), Welsh space scientist & Plaid Cymru politician
- Phil Williams (footballer, born 1958), English football player for Chester City
- Phil Williams (footballer, born 1963), Welsh football player
- Phil Williams (presenter) (born 1974), British Radio DJ heard on BBC Radio 5 Live & XFM London
- Phil Williams (boxer) (born 1977), American super middleweight professional boxer
- Philip Williams (MP) for Ipswich in 1558
- Philip Williams (lawyer) (1780–1843), English lawyer and academic
- Philip Williams (cricketer, born 1824) (1824–1899), English cricketer
- Philip Williams (United States Navy) (1869–1942), American military governor of the US Virgin Islands
- Philip Williams (cricketer, born 1884) (1884–1958), English cricketer
- Philip Williams (snooker player) (born 1968), Welsh amateur snooker player
- Pierre Williams (born 1975), British murderer
- Pip Williams (born 1947), British record producer
- Pointer Williams (born 1974), American basketball player
- Pop Williams (1874–1959), American baseball player
- Pop Williams (American football) (1906–1979), American football player
- Porsha Williams (born 1981), American TV personality, model and singer
- Poto Williams (born 1961/62), New Zealand politician
- Preston Williams (born 1997), American football player
Q
- Quincy Williams (born 1996), American football player
- Quinnen Williams (born 1997), American football player
R
- R. J. Williams (born 1978), American actor, TV host and producer
- R. Norris Williams (1891–1968), American tennis player
- R. Owen Williams, American education executive
- R. Sanders Williams (born 1948), American academic
- R. Seth Williams (born 1967), American attorney
- R. Stanley Williams (born 1951), American research scientist
- Rachel Williams (born 1967), American model
- Rachel Williams (footballer) (born 1988), English international footballer
- Raequan Williams (born 1997), American football player
- Ralph Williams (disambiguation), multiple people
- Ralph Champneys Williams (1848–1927), colonial governor
- Ralph Vaughan Williams (1872–1958), English composer
- Ralph Williams (cricketer) (1879–1958), English cricketer and barrister
- Ralph Williams (athlete) (1900–????), American long-distance runner
- Ralph E. Williams (1917–2003), United States Navy officer and speechwriter for Dwight D. Eisenhower
- Ralph Williams (American football) (born 1958), American football player
- Randa Williams (born 1962), American heiress
- Randal Williams (born 1978), American footballer
- Randy Williams (born 1953), American long jumper
- Randy Williams (baseball) (born 1975), American baseball player
- Ray and Raymond Williams (disambiguation)
- Ray Williams (Welsh rugby union coach) (1927–2014), Welsh rugby union coach and administrator
- Ray Williams (Welsh rugby union player) (1927–2014), Welsh international rugby union winger
- Ray Williams (footballer, born 1930), English football player for Tranmere Rovers
- Ray Williams (businessman) (born 1937), founder of HIH Insurance
- Ray Williams (footballer, born 1946), English football player
- Ray Williams (producer) (born 1947), music publicist
- Ray Williams (basketball) (1954–2013), basketball player
- Ray Williams (weightlifter) (born 1959), Commonwealth gold medallist
- Ray Williams (politician) (born 1960), New South Wales politician, Federal MP (Liberals), NSW
- Raymond Williams (1921–1988), Welsh academic, novelist and critic
- Raynell Williams (born 1989), American Olympic boxer
- Rebecca Williams (born 1988), British actress
- Rebecca Chase Williams, American journalist and city mayor
- Rebekah Williams (born 1950), Canadian politician in Nunavut
- Redaric Williams (born 1981), American actor
- Reece Williams (born 1985), Australian rugby league player
- Rees Williams (1900–1963), Welsh footballer
- Reg, Reggie and Reginald Williams (disambiguation), multiple people
- Reg Williams (priest) (1914–2012), New Zealand archdeacon
- Reggie Williams (linebacker) (born 1954), American football linebacker in the NFL
- Reggie Williams (1980s outfielder) (born 1960), American baseball outfielder in the 1980s
- Reggie Williams (basketball, born 1964), former basketball player in the NBA
- Reggie Williams (1990s outfielder) (born 1966), American baseball outfielder in the 1990s
- Reggie Williams (Canadian football) (born 1983), American wide receiver who currently plays in the CFL
- Reggie Williams (wide receiver) (born 1983), American football wide receiver
- Reggie Williams (basketball, born 1986), American basketball guard
- Reginald Williams (MP) (died 1612), English MP for Preston, 1571 and Montgomeryshire, 1593
- Reg Williams (priest) (1914–2012), New Zealand archdeacon
- Reid Williams, American TV and film director and producer
- Renauld Williams (born 1981), US Canadian football linebacker
- Reva Williams, American astrophysicist
- Rex Williams (born 1933), English snooker and billiards player
- Rheinallt Nantlais Williams (1911–1993), Welsh professor of Philosophy of Religion
- Rhoda Williams (1930–2006), American actress
- Rhodri Williams (born 1968), Welsh sports journalist
- Rhodri Williams (born 1993), Welsh rugby union international
- Rhydwen Williams (1916–1997), Welsh poet, novelist, editor, minister and television presenter
- Rhyne Williams (born 1991), American tennis player
- Rhys Williams (disambiguation), multiple people
- Rhys Williams (Welsh-American actor) (1897–1969), Welsh actor
- Rhys H. Williams (rugby player) (1930–1993), Welsh rugby union player
- Rhys H. Williams (sociologist) (born 1955), professor of sociology
- Rhys Williams (rugby player, born 1980) (born 1980), Welsh rugby union player
- Rhys Williams (Canadian actor) (born 1983), actor and stunt performer
- Rhys Williams (athlete) (born 1984), Welsh athlete
- Rhys Williams (footballer) (born 1988), England-based Australian professional association football player
- Rhys Williams (rugby player born 1988), Welsh rugby union player who plays at centre for Llanelli Scarlets
- Rhys Williams (rugby league) (born 1989), Welsh rugby league player
- Rhys Williams (rugby player born 1990), Welsh rugby union player who plays at hooker for Cardiff Blues
- Ricardo Williams (cricketer) (born 1968), English cricketer
- Ricardo Williams (athlete) (born 1976), Jamaican Olympic athlete
- Ricardo Williams (boxer) (born 1981), American boxer
- Rich, Richard and Richie Williams (disambiguation), multiple people
- Rich Williams (born 1950), American guitarist with the rock group Kansas
- Richard Williams (alias Cromwell) (died 1545), Welsh soldier and courtier
- Richard Williams (of Rhosygeido) (fl. 1593–1622), Welsh politician from Anglesey
- Richard Williams (Royal Marines officer) (1764–1839), British military officer
- Richard S. Williams (fl. 1844–1851), American politician from New York State
- Richard H. Williams (New York) (1807–?), American politician from New York
- Richard D'Alton Williams (1822–1862), Irish physician and poet
- Richard Williams (congressman) (1836–1914), American politician from Oregon
- Richard H. Williams (mayor) (1852–1954), Canadian lumber merchant and political figure in Saskatchewan
- Richard Garnons Williams (1856–1915), Welsh rugby union player
- Richard Parry Williams (1863–?), Welsh footballer
- Richard Williams (footballer) (1869–?), English, played for Everton and Luton Town
- Richard Hughes Williams (1878–1919), Welsh language writer of short stories
- Richard Williams (RAAF officer) (1890–1980), Australian aviator
- R. Norris Williams (Richard Norris Williams II, 1891–1968), American tennis player
- Richard Williams (cricketer, born 1901) (1901–1982), English, played for Worcestershire
- Richard Bryn Williams (1902–1981), Welsh writer, poet, playwright and historian
- Richard Tecwyn Williams (1909–1979), Welsh biochemist
- Richard Williams (conductor) (1923–2007), Welsh conductor
- Richard Leroy Williams (1923–2011), American judge
- Richard Llewellyn Williams (born 1929), American diplomat
- Richard Williams (musician) (1931–1985), American jazz trumpeter
- Richard Williams (animator) (1933–2019), Canadian-British animator
- Richard Williams (tennis coach) (born 1942), American coach and father of Venus and Serena Williams
- Richard Williams (journalist) (born 1947), British sport and music journalist
- Richard Williams (cricketer, born 1957), Welsh-born, played for Northamptonshire
- Richard Williams (academic) (born 1960), English academic, engineer and innovator
- Richard Williams (American football) (born 1960), American, played for Atlanta Falcons and Houston Oilers
- Richard Williams (cricketer, born 1969), English, played for Gloucestershire
- Richard Williams (boxer) (born 1971), English boxer of the 1990s, 2000s and 2010s
- Richard Williams (racing driver) (born 1977), British racing driver
- Richard Williams (rugby league) (born 1986), Australian rugby league footballer
- Richard Williams (basketball player) (born 1987), American basketball player
- Richard Williams (basketball coach), American basketball coach at Mississippi State University
- Richard Williams (rock climber) American rock climber
- Richie Williams (born 1970), American soccer player and coach
- Richie Williams (Canadian football) (born 1983), American Canadian footballer
- Rich Williams (born 1950), American guitarist with the rock group Kansas
- Rick and Ricky Williams disambiguation, multiple people
- Rick Williams (baseball, born 1952), American pitcher for the Houston Astros (1978–1979)
- Rick Williams (baseball, born 1956), American baseball player, scout and coach
- Rick Williams (Australian politician), member of the Legislative Assembly of Queensland
- Rick Williams (Georgia politician), member of the Georgia House of Representatives
- Ricky Williams (musician) (1956–1992), American vocalist
- Ricky Williams (born 1977), American football running back
- Ricky Williams (American football, born 1978), American football running back
- Rip Williams (1882–1933), American baseball player
- Riquna Williams (born 1990), American basketball player
- Rita Williams (born 1976), American basketball player
- Rob, Robbie and Robert Williams (disambiguation), multiple people
- Rob Williams (basketball) (1961–2014), American basketball player
- Rob Williams (entrepreneur) (1979–2009), sports enthusiast and partner of business Dolphin Music
- Rob Williams (rower, born 1960), British rower
- Rob Williams (rower, born 1985), British rower
- Rob Williams (comics), British comic writer
- Robbie Williams (politician) (c.1960–2007), Australian politician
- Robbie Williams (born 1974), English singer
- Robbie Williams (footballer, born 1979), English footballer playing for Warrington Town
- Robbie Williams (footballer, born 1984), English footballer playing for Limerick
- Robbie Williams (snooker player) (born 1986), English snooker player
- Robbie Williams (cricketer) (born 1987), English cricketer playing for Middlesex
- Sir Robert Williams, 2nd Baronet (c. 1627–1678), Member of Parliament for Carnarvonshire, 1656–1658
- Robert Williams (died 1763) (c. 1695–1763), Member of Parliament for Montgomeryshire
- Sir Robert Williams, 9th Baronet of Penryn (1764–1830), Member of Parliament for Carnarvonshire and for Beaumaris
- Robert Williams (Mississippi politician) (1766–1836), Governor of the Mississippi Territory
- Robert Williams (Robert ap Gwilym Ddu) (1766–1850), Welsh language poet
- Robert Williams (1767–1847), British Member of Parliament
- Robert Williams (North Carolina politician) (1773–1821), U.S. Representative from North Carolina
- Robert Williams (1811–1890), Member of Parliament for Dorchester, 1835–1841
- Robert Williams (general) (1829–1901), Adjutant General of the U.S. Army from 1892 to 1893
- Robert Williams (Trebor Mai) (1830–1877), Welsh language poet
- Robert P. Williams (1841–1910), State Treasurer of Missouri, 1901–1905
- Robert Williams (archer) (1841–1914), American archer
- Sir Robert Williams, 1st Baronet, of Bridehead (1848–1943), Member of Parliament for West Dorset, 1895–1922
- Sir Robert Williams, 1st Baronet, of Park (1860–1938), Scottish mining engineer and explorer of Africa
- Robert Williams (Archdeacon of Carmarthen) (1863–1938), British professor of history, and archdeacon
- Robert L. Williams (1868–1948), American politician, governor of Oklahoma
- Robert Dewi Williams (1870–1955), Welsh schoolteacher, Presbyterian minister and author
- Robert Williams (trade union leader) (1881–1936), British trade union organiser
- Robert R. Williams (1886–1965), American chemist who first synthesized vitamin B1
- Robert Williams (actor) (1894–1931), American stage and film actor
- Robert B. Williams (general) (1901–1977), World War II general in the United States Army Air Forces
- Robert B. Williams (actor) (1904–1978), American film actor
- Robert Moore Williams (1907–1977), American writer
- Robert Williams (South African cricketer) (1912–1984), South African cricketer
- Robert Pete Williams (1914–1980), American Louisiana blues musician
- Robert Williams (physician) (1916–2003), Welsh pathologist
- Robert Williams (baseball) (1917–2000), American baseball pitcher and infielder in the Negro Leagues
- Robert F. Williams (1925–1996), American civil rights activist
- Robert Williams (chemist) (1926–2015), Emeritus Professor of Oxford University
- Robert Williams (footballer, born 1927), English footballer for Wrexham and Shrewsbury Town
- Robert Williams (psychologist) (born 1930), second President of the Association of Black Psychologists
- Robert Williams (footballer, born 1932) (1932–2003), English footballer for Mansfield Town
- Robert Arthur Williams (born 1933), consultant and political figure in British Columbia
- Robert W. "Bo" Williams (born 1938), former mayor of Shreveport, Louisiana
- Robert Williams (geometer) (born 1942), American designer, mathematician, and architect
- Robert Williams (artist) (born 1943), underground cartoonist and painter
- Robert S. Williams (born 1949), principal bassoon of the Detroit Symphony Orchestra
- Robert W. Williams (1951–1983), American murderer
- Robert Williams (gay priest) (1955–1992), first openly gay male priest in the Episcopal Church
- Robert Williams (drummer) (1955–2010), Captain Beefheart's Magic Band, Hugh Cornwell & solo artist
- Robert Williams (cornerback) (born 1962), American football cornerback
- Robert Williams (English cricketer) (born 1970), former English cricketer
- Robert Rahmeek Williams (born 1987), American hip hop artist known as Meek Mill
- Robert Williams (quarterback), football player for Notre Dame, 1956–1958
- Robert Williams (Norwegian footballer), Norwegian footballer
- Robert A. Williams Jr., Native author and legal scholar
- Robert H. Williams, environmental scientist at the Princeton Environmental Institute
- Robin Williams (disambiguation), multiple people
- Robin M. Williams (1919–2013), Chairman of the State Services Commission in New Zealand
- Robin Williams (1951–2014), American TV and movie actor, comedian
- Robin Williams (academic) (born 1952), British professor in Science, Technology and Innovation Studies
- Robin Williams (writer) (born 1953), American educator and writer
- Robin Williams (rowing coach) (born 1959), British rowing coach
- Robin Williams (canoeist), British slalom canoeist
- Robina Williams, English author
- Robyn Williams (born 1944), British–born Australian science journalist and broadcaster
- Robley C. Williams (1908–1995), American biophysicist
- Rod, Roderick and Rodney Williams (disambiguation), multiple people
- Rod Williams (American football) (born 1973), American football player
- Rod Williams (Canadian football) (born 1987), American player of Canadian football
- Roderick Williams, opera singer (born 1965), English operatic baritone and composer
- Rodney Williams (punter) (born 1977), US American and Canadian football player
- Rodney Williams (wide receiver) (born 1973), US American football player
- Rodney Williams (basketball) (born 1991), American basketball player
- Rodney Williams (politician) (born 1947), Governor–General of Antigua and Barbuda
- Roderick Williams, opera singer (born 1965), English operatic baritone and composer
- Rodwell Williams (born 1956), Belizean lawyer
- Roger Williams (disambiguation), multiple people
- Roger Williams (soldier) (1539/40–1595), Welsh soldier of fortune and military theorist
- Roger Williams (c.1603–1683), English Protestant theologian
- Roger Williams (actor) (1898–1964), American actor
- Roger J. Williams (1893–1988), American biochemist
- Roger Q. Williams (1894–1976), American aviator
- Roger Williams (pianist) (1924–2011), American pianist
- Roger Williams (hepatologist) (born 1931), British liver specialist
- Roger Williams (organist) (born 1943), British (Welsh) organist and musicologist
- Roger Williams (British politician) (born 1948), British politician
- Roger Williams (U.S. politician) (born 1949), American politician
- Roger Ross Williams (born 1973), American television director, producer and writer
- Roger Williams (playwright) (born 1974), Welsh playwright
- Roger Williams (professor), Welsh educationalist
- Roland Williams (born 1975), American football tight end
- Roley Williams (1927–1999), Welsh footballer
- Rolston Williams (born 1965), Antiguan and Barbudan football player and manager
- Romario Williams (born 1994), Jamaican footballer
- Ron, Ronald and Ronnie Williams (disambiguation), multiple people
- Ron Williams (basketball) (1944–2004), American basketball player
- Ron Williams (born 1949), American businessman
- Ron Williams (rugby union) (born 1963), New Zealand rugby union player
- Ronald Samuel Ainslie Williams (1890–1971), English Liberal politician, Member of Parliament for Sevenoaks
- Ronald Williams (bishop) (1906–1979), Bishop of Leicester, 1953–1979
- Ronald Williams (Labour politician) (1907–1958), British Labour politician, Member of Parliament for Wigan
- Ronald "Slim" Williams (born 1967), American record company executive; cofounder of Cash Money Records
- Ronald A. Williams II (1969–1995), slain police officer from New Orleans
- Ronald Williams (Canadian football) (born 1972), US American and Canadian footballer
- Ronald J. Williams, professor of computer science at Northeastern University
- Ronnie Williams (1939–1997), Welsh actor and comedian
- Ronnie Williams (American football) (born 1966), American footballer
- Ronwen Williams (born 1992), South African footballer
- Roosevelt Williams (1903–1996), American blues pianist
- Roosevelt Williams (gridiron football) (born 1978), American football cornerback
- Rosalyn Coleman Williams, American actress
- Rose Williams, pen name of W. E. D. Ross (1912–1995), Canadian actor, playwright and novelist
- Roshumba Williams (born 1968), American model
- Ross Williams (computer scientist) (born 1962), Australian computer scientist and entrepreneur
- Rowan Williams (born 1950), Archbishop of Canterbury
- Rowan Anthony Williams (born 1968), English boxer
- Rowland Williams (cleric) (1779–1854), Welsh Anglican clergyman
- Rowland Williams (theologian) (1817–1870), Welsh theologian and academic at St David's College, Lampeter
- Rowland Williams (Hwfa Môn) (1823–1905), Welsh Congregationalist cleric, poet and Archdruid
- Roy Williams (disambiguation), multiple people
- Roy T. Williams (1883–1946), Church of the Nazarene superintendent
- Roy Williams (artist) (1907–1976), Disney story man/gag man
- Roy Lee Williams (1915–1989), Teamsters labor union president
- Roy Williams (Canadian basketball) (born 1927), 1952 Summer Olympics Canadian team member
- Roy Williams (Australian footballer, born 1929), Australian footballer for Queanbeyan and Collingwood
- Roy Williams (cricketer) (born 1931), former English cricketer
- Roy Williams (footballer) (1932–2011), Southampton and Hereford United footballer
- Roy Williams (athlete) (born 1934), New Zealand athlete
- Roy Williams (defensive tackle) (born 1937), American football player
- Roy Williams (Scouting) (born 1944), Boy Scouts of America director
- Roy Williams (coach) (born 1950), head basketball coach of the University of North Carolina
- Roy H. Williams (author) (born 1958), American author
- Roy Williams (playwright) (born 1968), contemporary British playwright
- Roy Williams (safety) (born 1980), American football player
- Roy Williams (wide receiver) (born 1981), American football player
- Roydell Williams (born 1981), American footballer
- Rozz Williams (1963–1998), American rock vocalist
- Rubberlegs Williams (Henry Williams, 1907–1962), American blues/jazz singer and dancer
- Rubin Williams (born 1976), American boxer
- Ruby Williams, American folk artist
- Rudy Alberto Williams (born 1965), Honduran international footballer
- Rugg Williams, American actor
- Russ and Russell Williams (disambiguation), multiple people
- Russ Williams (DJ) (born 1962), English radio DJ
- Russell Williams (sound engineer) (born 1952), American sound engineer and two-time Oscar winner
- Russell Williams (cyclist) (born 1961), English road and track cyclist
- Russell Williams (born 1963), Canadian rapist and murderer
- Russell Williams (footballer) (born 1974), Australian rules footballer
- Russ Williams (DJ) (born 1962), English radio DJ
- Ruth Williams (1926–2005), American baseball player
- Ruth J. Williams, statistician
- Ryan Williams (disambiguation), multiple people
- Ryan Williams (footballer, born 1978), English footballer
- Ryan Williams (computer scientist) (born 1979), American computer scientist
- Ryan Piers Williams (born 1984), American actor, director, and writer
- Ryan Williams (Australian rules footballer) (born 1987), Australian rules footballer
- Ryan Williams (American football) (born 1990), American football player
- Ryan Williams (footballer, born 1991), English footballer for Morecambe
- Ryan Williams (footballer, born 1993), Australian soccer player
- Ryan Williams (soccer, born February 1996), American women's soccer defender
- Ryan Williams (soccer, born October 1996), American men's soccer midfielder
S
- Sabra Williams, British actress and TV presenter
- Sam, Sammy and Samuel Williams (disambiguation), multiple people
- Sam B. Williams (1921–2009), American inventor
- Sam Williams (basketball, born 1924) (1924–2012), American college basketball coach
- Sam Williams (defensive lineman) (1931–2013), Detroit Lions football player of the 1960s
- Sam Williams (basketball, born 1945), American basketball player for the Milwaukee Bucks
- Sam Williams (defensive back) (born 1952), American football player
- Sam Williams (basketball, born 1959), American basketball player
- Sam Williams (American journalist) (born 1961)
- Sam Williams (linebacker) (born 1980), Oakland Raiders linebacker
- Sam Williams (footballer) (born 1987), English Association footballer
- Sam Williams (rugby league) (born 1991), Australian rugby league footballer
- Sammie Williams, American trombonist and bandleader known as Big Sam
- Sammy Williams (1948–2018), American actor
- Sammy Williams (American football) (born 1974), American football offensive lineman
- Samuel Williams (engraver) (1788–1853), English artist
- Samuel Williams (missionary) (1822–1907), New Zealand missionary, farmer, educationalist, and pastoralist
- Samuel Williams (British politician) (1842–1926), British politician and Governor of Grenada
- Samuel Arthur Williams (born 1946), American playwright and screenwriter known as Samm-Art Williams
- Samuel Cole Williams (1864–1947), Tennessee jurist, historian, educator, and businessman
- Samuel L. Williams (1933–1994), president of the Los Angeles Board of Police Commissioners
- Samuel May Williams (1795–1858), American businessman and secretary to Stephen F. Austin
- Samuel Tankersley Williams (1897–1984), United States Army Lieutenant General
- Samuel Wells Williams (1812–1884), linguist, missionary and Sinologist from the United States
- Sandra Williams, American politician in Ohio
- Sandy Williams (1906–1991), American jazz trombonist
- Sarah Williams (1837–1868), English poet
- Sarah Williams (screenwriter) (born ????), British screenwriter
- Sarah-Rose Williams, New York City Ballet dancer
- Sascha Williams (born 1980), British journalist and news reader
- Saul Williams (born 1972), American singer, musician, poet, writer and actor
- Scot Williams (born 1972), English actor, writer and producer
- Scott Williams (disambiguation), multiple people
- Scott Williams (American football coach) (fl. 1890), first head coach of the Illinois college football program
- Scott W. Williams (born 1943), American mathematician
- Scott Williams (artist) (born 1956), American stencil artist
- Scott Williams (serial killer) (born 1963), American convicted serial killer
- Scott Williams (musician) (c.1966–2004), American bassist in the band Soilent Green
- Scott Williams (figure skater) (born c.1966), American figure skater
- Scott Williams (basketball) (born 1968), American basketball player
- Scott Williams (field hockey) (born 1971), American field hockey defender
- Scott Williams (rugby player) (born 1990), Wales international rugby union player
- Scott A. Williams, American television writer and producer
- Scott Williams (comics), American comic book artist and inker
- Sean Williams (disambiguation), multiple people
- Sean Williams (ethnomusicologist) (born 1959), American college professor
- Sean Williams (author) (born 1967), Australian author
- Sean Williams (ice hockey) (born 1968), Canadian ice hockey center
- Sean Williams (basketball) (born 1986), American basketball player
- Sean Williams (cricketer) (born 1986), Zimbabwean all-rounder
- Seante Williams (born 1991), American footballer
- Serena Williams (born 1981), US pro tennis player and sister of Venus Williams
- Seth Williams (1822–1866), American military officer
- Seth Williams (Canadian football) (born 1986), American football player
- Shad Williams (born 1971), American baseball pitcher
- Shammond Williams (born 1975), American-born Georgian basketball player
- Shane Williams (Australian footballer) (born 1959), Australian rules footballer
- Shane Williams (born 1977), Welsh rugby union player
- Shanice Williams (born 1993), Turks and Caicos Islands beauty pageant titleholder
- Shannon Areum Williams (born 1998), British-Korean singer known as Shannon
- Shannon Narun Williams, Australian hip-hop performer known as Brothablack
- Shannon Walker Williams, American actress and singer
- Shanthi Williams (born 1958), Indian actress
- Sharon A. Williams, Canadian lawyer and legal scholar
- Sharrie Williams (born 1965), American singer-songwriter
- Shaud Williams (born 1980), American footballer
- Shaun Williams (disambiguation), multiple people
- Shaun Williams (American football) (born 1976), former American football safety
- Shaun Williams (wrestler) (born 1976), retired amateur South African freestyle wrestler
- Shaun Williams (footballer) (born 1986), Irish footballer
- Shaun Williams (DJ), British DJ and jazz dancer
- Shawn Williams (lacrosse) (born 1974), Canadian lacrosse player
- Shawn Williams (American football) (born 1991), American football player
- Shawne Williams (born 1986), US pro basketball player
- Sheanon Williams (born 1990), American soccer player
- Sheila Williams (born 1956), American editor of Asimov's Science Fiction
- Shelden Williams (born 1983), US pro basketball player
- Shellene Williams (born 1981), Jamaican track and field sprinter
- Shelton Williams, American political scientist
- Shericka Williams (born 1985), Jamaican Olympic sprinter
- Shermaine Williams (born 1990), Jamaican hurdler
- Sherman Williams (boxer) (born 1972), Bahamian boxer
- Sherman Williams (American football) (born 1973), American football running back
- Shirley Williams (born 1930), Baroness Williams of Crosby, United Kingdom politician
- Shomari Williams (born 1985), Canadian football defensive end
- Sian Williams (born 1964), Welsh journalist and TV presenter
- Sian Williams (footballer) (born 1968), English footballer and football manager
- Sian Williams (rugby player) (born 1990), Welsh professional rugby player
- Sid and Sidney Williams (disambiguation), multiple people
- Sid Williams (footballer) (1919–2003), English association footballer for Bristol City from 1937 to 1952
- Sid Williams (rugby league), Australian rugby league footballer who played in the 1960s and 1970s
- Sid Williams (born 1942), American football linebacker
- Sidney Williams (born 1962), is an American author
- Silas Williams (1888–19??), American footballer and coach
- Simon Williams (disambiguation), multiple people
- Simon Williams (actor) (born 1946), English actor
- Simon Williams (sociologist) (born 1961), professor of sociology at the University of Warwick
- Simon Williams (athlete) (born 1967), English shot put and discus athlete
- Simon Williams (cricketer) (born 1970), former English cricketer
- Simon Williams (bassist) (born 1973), bassist and backup singer to ska-punk band Goldfinger
- Simon Williams (chess player) (born 1979), English chess player, grandmaster
- Siobhan Williams, English–Canadian actress
- Siraj Williams (born 1984), Liberian Olympic sprinter
- Skilly Williams (1890–1959), English footballer
- Skip Williams, American games designer
- Slim Williams (1881–1974), American frontiersman
- Sly Williams (born 1958), American basketball player
- Sonia Williams (born 1979), Antiguan sprinter
- Sonny Bill Williams (born 1985), New Zealand rugby league and rugby union player
- Sophie Williams (born 1991), British fencer
- Spin Williams (born 1956), American baseball coach
- Stacey Williams (born 1968), American fashion model
- Stacey Williams (swimmer) (born 1981), Australian Paralympic swimmer
- Stan and Stanley Williams (disambiguation), multiple people
- Stan Williams (Australian footballer) (1891–1966), Australian rules footballer
- Stan Williams (speedway rider) (born 1917), English speedway rider
- Stan Williams (footballer, born 1919) (1919–2007), South African association football player
- Stan Williams (baseball) (born 1936), Major League Baseball player
- Stan Williams (author) author of Penny Lane is in My Ears and in My Eyes
- Stanley Williams (rugby union) (1886–1936), Welsh rugby union player; British Lion
- Stanley Williams (ballet) (1925–1997), 20th century dancer and instructor
- Stanley Williams (1953–2005), founder of American gang The Crips
- Stepfret Williams (born 1973), American footballer
- Stephanie Williams (dancer), Australian ballet dancer
- Stephanie Williams (Miss District of Columbia) (born 1987), Miss District of Columbia, 2010
- Stephen, Stephon, Steve, Steven and Stevie Williams (disambiguation), multiple people
- Stephen K. Williams (1819–1916), New York lawyer and politician
- Stephen W. Williams (1837–1899), British civil engineer and architect
- Stephen Williams (Radio Luxembourg) (1908–1994), British radio announcer
- Stephen F. Williams (1936–2020), United States federal judge
- Stephen Williams (cricketer, born 1954), former Gloucestershire cricketer
- Stephen Williams (footballer) (born 1961), former Australian Rules Football player and coach
- Stephen Williams (figure skater), British ice dancer
- Stephen Williams (Designer) (born 1964), celebrity fashion designer
- Stephen Williams (politician) (born 1966), British MP for Bristol West
- Stephen Williams (cricketer, born 1967), former Cornwall cricketer
- Stephen Williams (wide receiver) (born 1986), American football wide receiver
- Stephen Williams (director), Canadian film and television director
- Stephen Williams (archeologist) (1926–2017), archaeologist at Harvard University
- Stephen Williams (born 1981), American rapper known as Stevie Stone
- Stephen T. Williams, mayor of Huntington, West Virginia
- Stephon Williams (born 1993), American ice hockey goaltender
- Steve Williams (politician) (born 1951), judge and former politician in Ohio
- Steve Williams (athlete) (born 1953), American track and field sprinter
- Steve Williams (rock drummer) (born 1953), drummer for heavy metal group Budgie
- Steve Williams (jazz drummer) (born 1956), Shirley Horn's accompanist and band leader
- Steve Williams (Australian rugby player) (born 1958), former Australian national team captain
- Steve Williams (footballer, born 1958), English former football midfielder for Southampton and Arsenal
- Steve Williams (1960–2009) known as Dr. Death, American wrestler
- Steve Williams (animator) (born 1962), Canadian animator and special effects artist
- Steve Williams (caddy) (born 1963), New Zealand golf caddy
- Steve Williams (rugby player born 1970), Wales international rugby union player
- Steve Williams (musician) (born 1971), keyboardist for the power metal band Power Quest
- Steve Williams (cyclist) (born 1973), Australian cyclist
- Steve Williams (footballer, born 1974), Welsh goalkeeper with Drogheda United
- Steve Williams (rower) (born 1976), British rower
- Steve Williams (defensive end) (born 1981), gridiron football player
- Steve Williams (rugby player born 1982), Australian-born German rugby union international
- Steve Williams (footballer, born 1983), English former football goalkeeper for Wycombe Wanderers
- Steve Williams (footballer, born 1987), English defender who currently plays with Macclesfield
- Steve Williams (cornerback) (born 1991), American football cornerback
- Steve Williams, rapper known as Stezo
- Steven Williams (born 1949), American actor
- Steven Williams (born 1964), known as Stone Cold Steve Austin, professional wrestler
- Steven Reid Williams (born 1976), English singer-songwriter
- Stevie Williams (born 1979), American professional skateboarder
- Stephon Williams (born 1993), American ice hockey goaltender
- Stewart Williams (born c.1958), English rugby league footballer
- Stokley Williams (born 1967), American singer and musician
- Stuart Williams (disambiguation), multiple people
- Stuart Williams (footballer) (1930–2013), Welsh international footballer and manager
- Stuart Williams (cricketer) (born 1969), West Indian cricketer from Saint Kitts and Nevis
- Stuart Williams (ten-pin bowling) (born 19??), English ten–pin bowler
- Sue Williams (artist) (born 1956), a Welsh visual artist
- Sunita Williams (born 1965), American astronaut
- Susan Williams (disambiguation), multiple people
- Susan May Williams (1812–1881), American-born French princess
- Susan Williams, Baroness Williams of Trafford (born 1967), British politician, life peer
- Susan Williams (triathlete) (born 1969), American triathlete
- Suzanne Williams, American politician
- Syd Williams (1918–1976), Welsh dual code rugby union and rugby league player
- Sylvester Williams (American football) (born 1988), American football nose tackle
- Sylvia Williams née Hill (1936–1996), American museum director, curator and art historian
T
- T. J. Williams (born 1982), American football tight end
- Tad Williams (born 1957), fantasy and science fiction writer
- Taffy Williams (1933–1996), Welsh mercenary
- Taliesin Williams (1787–1847), Welsh poet and author
- Talcott Williams (1849–1928), American journalist and educator
- Tamati Williams (born 1984), New Zealand footballer and fashion model
- Tameka Williams (born 1989), St Kitts and Nevis sprinter
- Tamika Williams (born 1980), American basketball player and coach
- Tammy Williams (born 1987), American softball player
- Tank Williams (born 1980), American footballer
- Tarvis Williams (born 1978), American basketball player
- Tasha Williams (athlete) (born 1973), New Zealand Olympic hammer thrower
- Taylor John Williams (born June, 1991), American singer-songwriter
- Taylor Williams (born July, 1991), American baseball pitcher
- Ted, Tedd and Teddy Williams (disambiguation), multiple people
- Ted Williams (American football) (1916–1993), American football back
- Ted Williams (1918–2002), Hall-of-Fame pro baseball player for the Boston Red Sox
- Ted Williams (equestrian) (1912–1993), British show-jump rider, active in the 1950s and 1960s
- Ted Williams (American football coach) (born 1943), American football coach
- Ted Williams (voice-over artist) (born 1957), American voice-over artist
- Tedd Williams (born 1969), American mixed martial arts fighter
- Teddy Williams (American football) (born 1988), American football cornerback
- Tedd Williams (born 1969), American mixed martial arts fighter
- Tennessee Williams (1911–1983), American playwright
- Teran Williams (born 1984), Antiguan international footballer
- Terrance Williams (born 1989), American football player
- Terrell Williams (born 1974), American football player and coach
- Terrence Williams (born 1987), American basketball player
- Terrick Williams (1860–1936), British painter
- Terrie Williams (born 1954), American author
- Terry Williams (disambiguation), multiple people
- J. Terry Williams (1930–2015), film editor
- Terry Williams (drummer) (born 1948), Welsh rock drummer
- Terry Tempest Williams (born 1955), American author, naturalist, and environmental activist
- Terry Williams (American football) (born 1965), American football defensive back
- Terry Williams (condemned prisoner) (born 1966), American convicted murderer sentenced to death
- Terry Williams (footballer) (born 1966), English professional footballer
- Tex Williams (1917–1985), American Western swing musician
- Thelda Williams (born 1941), American politician in Phoenix
- Theodore J. Williams (1923–2013), American engineer
- C. Theodore Williams (1838–1912), English physician
- Theresa Williams (born 1956), American writer
- Thomas Williams (disambiguation), multiple people
- Thomas Williams (speaker) (1513/4–1566), Speaker of the House of Commons
- Sir Thomas Williams, 1st Baronet (c. 1621–1712), English medical doctor and Member of Parliament for Weobley
- Thomas Williams (priest and translator) (1658–1726), Welsh Anglican priest
- Thomas Williams (Vicar Apostolic of the Northern District) (1660–1740), Welsh Roman Catholic bishop
- Thomas Williams (Congregational minister) (1725–1770), Welsh Congregational minister
- Thomas Williams of Llanidan (1737–1802), Welsh lawyer and businessman, MP for Marlow 1790–1802
- Thomas Williams (Royal Navy officer) (1761/62–1841), British admiral
- Thomas Walter Williams (1763–1833), English barrister, known as a legal writer
- Thomas Scott Williams (1777–1861), United States representative from Connecticut
- Thomas Hill Williams (1780–1840), United States senator from Mississippi, 1817–1828
- Thomas Wheeler Williams (1789–1874), United States representative from Connecticut
- Thomas Williams (South Australian politician) (c. 1794–1881), briefly a member of the Legislative Council
- Thomas Peers Williams (1795–1875), MP for Marlow 1820–1868, Father of the House, 1867–1868
- Thomas Hickman Williams (1801–1851), United States senator from Mississippi, 1837–1838
- Thomas Williams (Pennsylvania) (1806–1872), United States representative
- Thomas Williams (general) (1815–1862), Union general during the American Civil War
- Thomas Richard Williams (1825–1871), British photographer
- Thomas Williams (Alabama) (1825–1903), United States representative
- Thomas H. Williams (California) (1828–1886), attorney general of California, 1858–1862
- Thomas J. Williams (1837–1866), American Union general during the American Civil War
- Thomas Williams (New Zealand) (1846–?), ironfounder and businessman
- Thomas Williams (Christadelphian) (1847–1913), editor of the Christadelphian Advocate magazine
- Thomas W. Williams (Los Angeles) (c. 1867–1931), American school principal, church minister and local politician
- Thomas Charles Williams (1868–1927), Welsh Calvinistic Methodist minister
- Thomas Williams (Dean of Bangor) (1870–1941), Welsh Anglican priest
- Thomas Jeremiah Williams (1872–1919), Welsh barrister and Liberal politician
- Thomas Sutler Williams (1872–1940), United States representative from Illinois
- Thomas Samuel Beauchamp Williams (1877–1927), British Member of Parliament for Kennington, 1923–1924
- Thomas Williams (archbishop of Birmingham) (1877–1946), British Roman Catholic archbishop
- Thomas Williams (cricketer, born 1884) (1884–1954), Welsh cricketer
- Thomas F. Williams (1885–1985), Canadian First World War flying ace
- Thomas Williams (Archdeacon of Craven) (1889–1956), British Anglican priest
- Thomas Williams (rugby league), rugby league footballer of the 1910s for Wales, and Oldham
- Thomas Williams, 1st Baron Williams (1892–1966), British life peer and Labour Party member
- Thomas Williams (Australian politician) (1897–1992), Australian politician
- Thomas Williams (RAF officer) (1899–1956), British air marshal
- T. Harry Williams (1909–1979), historian at Louisiana State University
- Thomas Lanier Williams (1911–1983), American author known as Tennessee Williams
- Thomas Williams (Warrington MP) (1915–1986), British Labour Co-operative politician
- Thomas Desmond Williams (1921–1987), Irish academic and Professor of Modern History
- Thomas Williams (Archbishop of Wellington) (born 1930), New Zealander Roman Catholic bishop
- Thomas Williams (cartoonist) (1940–2002), English cartoonist
- Thomas Williams (born 1974), American reggae artist known as Ras Shiloh
- Thomas Williams (American football) (born 1984), American football player
- Thomas Williams (figure skater) (born 1991), Canadian ice dancer
- Thomas R. Williams, Canadian educator, 19th principal of Queen's University 2008–2009
- Tiffany Williams (born 1983), American Olympic hurdler
- Tiger Williams (born 1954), Canadian ice hockey player
- Tim, Timmy and Timothy Williams (disambiguation)
- Tim Williams (lawyer/ academic) (born 1964), Australian Human Rights Lawyer and academic
- Tim Williams (folk musician) (born 1979), American singer-songwriter
- Tim Williams (rock musician) (born 1982), American indie rock singer-songwriter
- Tim Williams (American football) (born 1993), American football player
- Timmy Williams (born 1981), American actor, comedian and writer
- Timothy Williams (author) (born 1946), British writer
- Timothy Williams (composer) (born 1966), British composer
- Timmy Williams (born 1981), American actor, comedian and writer
- Tip Williams (1900–1974), Welsh cricketer
- Toby Williams (born 1959), American footballer
- Toccara Williams, American basketball player
- Tod Williams (filmmaker) ("Kip" Williams, born 1968), film director and screenwriter
- Todd Williams (disambiguation), multiple people
- Todd Williams (athlete) (born 1969), American long-distance runner
- Todd Williams (born 1971), American baseball player
- Todd Williams (actor) (born 1977), American actor
- Todd Williams (American football) (1978–2014), American football offensive tackle
- Todd Williams (singer), Australian singer
- Tom, Tommie and Tommy Williams (disambiguation), multiple people
- Tom Williams (rugby player, born 1860) (1860–1913), Wales international rugby player and sports administrator
- Tom Williams (baseball) (1870–1940), baseball player
- Tom Williams, Baron Williams of Barnburgh (1888–1967), British Labour Party politician, MP and Minister
- Tom Williams (negro leagues) (1896–1937), negro leagues baseball player
- Tom Williams (Irish republican) (1923–1942), IRA member who was hanged
- Tom Williams (ice hockey b. 1940) (1940–1992), American professional hockey player, 1961–1976
- Tom Williams (Auxiliary Bishop of Liverpool) (born 1948), British Roman Catholic bishop
- Tom Williams (ice hockey b. 1951), Canadian professional hockey player, 1971–1979
- Tom Williams (American football) (born 1969), former head football coach at Yale University
- Tom Williams (presenter) (born 1970), Australian television presenter
- Tom Williams (footballer) (born 1980), English-Cypriot football player
- Tom Williams (rugby player, born 1983), English rugby union player
- Tom Williams (Australian footballer) (born 1986), Australian rules footballer for Western Bulldogs
- Tom Williams (rugby player, born 1991), Welsh rugby union player
- Tom J Williams (born 1992), Australian Idol Contestant
- Tommie Williams, American politician in Georgia
- Tommy Williams (Australian footballer) (1909–1990), Australian rules footballer for Fitzroy
- Tommy Williams (footballer, born 1929) (1929–1979), footballer for Tranmere Rovers
- Tommy Williams (footballer, born 1935) (1935–1967), English professional footballer
- Tommy Williams (musician), jazz double bass player
- Tommy Williams (footballer, born 1957), Scottish footballer
- Tommy Williams (politician) (born 1956), Republican member of the Texas Senate
- Tommie Williams, American politician in Georgia
- Toni Williams (1939–2016), New Zealand pop singer
- Tony Williams (disambiguation), multiple people
- Tony Williams (singer) (1928–1992), lead singer with The Platters
- Tony Williams (drummer) (1945–1997), American jazz drummer
- Tony Williams (English musician) (born 1947), bassist in Stealers Wheel and Jethro Tull
- Tony Williams (American football) (born 1975), American football defensive tackle
- Tony Williams (soccer) (born 1976), American soccer player
- Tony Williams (rugby league) (born 1988), Australian rugby league footballer
- Tony Williams, The World Famous Tony Williams, American soul and R&B artist
- Tonya Lee Williams (born 1958), Canadian actress
- Torri Williams (born 1986), American footballer
- Tourek Williams (born 1991), American footballer
- Trae Williams (born 1985), American footballer
- Tramon Williams (born 1983), American footballer
- Travis Williams (disambiguation), multiple people
- Travis Williams (tailback) (1892–1986), NFL running back for the Evansville Crimson Giants
- Travis Williams (running back) (1946–1991), NFL kick returner for the Green Bay Packers
- Travis Williams (basketball) (born 1969), NBA player for the Charlotte Hornets
- Travis Williams (linebacker) (born 1983), NFL linebacker for the Atlanta Falcons
- Trayveon Williams (born 1997), American football player
- Tre Williams, American singer
- Treat Williams (born 1951), American actor and children's author
- Trent Williams (born 1988), American football offensive tackle
- Trevardo Williams (born 1990), American football linebacker
- Trevor Williams (disambiguation), multiple people
- Sir Trevor Williams, 1st Baronet (c.1623–1692), Welsh landowner and politician
- Trevor Williams (bassist) (born 1945), British bass guitarist
- Trevor Williams (bishop) (born 1948), Irish Bishop of Limerick and Killaloe
- Trevor C. Williams (born 1965), Canadian basketball player and coach
- Trevor Williams (baseball) (born 1992), American baseball player
- Trevor Williams (American football) (born 1993), American football player
- Trey Williams (born 1992), American football player
- Troy Williams (born 1994), American footballer
- Trudi Williams (born 1953), Florida politician
- True Williams (1839–1897), American illustrator
- Tucky Williams, American actress
- Ty Williams (actor) (born 1966), American actor
- Ty Williams (born 1980), Australian rugby league footballer
- Tylen Jacob Williams (born 2001), American actor
- Tyler James Williams (born 1992), American rapper and actor
- Tyrel Jackson Williams (born 1997), American actor
- Tyrone Williams (wide receiver) (born 1970), Canadian journeyman in the NFL and CFL
- Tyrone Williams (defensive tackle) (born 1972), American former NFL and CFL player
- Tyrone Williams (cornerback) (born 1973), American NFL player for the Green Bay Packers
U
- Ulis Williams (born 1941), American Olympic sprinter
- Ursula Williams (1896–1979), British Liberal Party politician
- Ursula Moray Williams (1911–2006), English children's author
V
- Van Williams (1934–2016), American actor
- Van Williams (American football) (born 1959), American football running back
- Van Williams (musician) (born 1966), American drummer
- Vanessa R. Williams (born 1960), American gospel singer, began recording in the 2000s
- Vanessa A. Williams (born 1963), American actress
- Vanessa L. Williams (born 1963), singer, actress, and Miss America
- Venetia Williams (born 1960), British jockey and racehorse trainer
- Venus Williams (born 1980), pro tennis player and sister of Serena Williams
- Vera Williams (1927–2015), American children's writer and illustrator
- Vern Williams (1930–2006), American bluegrass singer and musician
- Vern S. Williams (born 1949), American teacher and National Advisor on Mathematics
- Veronica Williams (born 1986), Australian soccer player
- Vesta Williams (1957–2011), American singer-songwriter, also recorded as Vesta
- Vicki and Victoria Williams (disambiguation)
- Vicki Williams (born 1956), American wrestler
- Victoria Williams (actress) (born 1955), British actress
- Victoria Williams (born 1958), singer/songwriter
- Victoria Kirstyn Williams (born 1971), Welsh politician
- Vicki Williams (born 1956), American wrestler
- Victor Williams (general) (1867–1949), Canadian general and Commissioner of the Ontario Provincial Police
- Victor Williams (born 1970), American actor
- Vin Williams (born 1932), Australian rules footballer
- Vince Williams (actor) (1957–1997), American actor
- Vince Williams (ice hockey) (born 1975), Canadian ice hockey player and coach
- Vince Williams (American football) (born 1989), American football linebacker
- Virgil Williams, American TV writer and producer
- Virginia Williams (born 1978), American actress
- Vogue Williams (born 1986), Irish model and TV and radio personality
W
- Wade Williams (born 1961), American actor
- Wal Williams (1895–1982), Australian rules footballer for Hawthorn
- Waldo Williams (1904–1971), Welsh poet
- Wally Williams (water polo) (1921–2009), New Zealand water polo player
- Wally Williams (American football) (born 1971), American footballer
- Walt Williams (baseball) (1943–2016), Major League Baseball outfielder
- Walt Williams (cornerback) (born 1954), American football player
- Walt Williams (born 1970), American basketball player
- Walter Williams (disambiguation), multiple people
- Walter Heath Williams, Victorian landscape artist
- Walter Williams (painter) (1834–1906), Victorian landscape painter
- Walter Williams (centenarian) (1854–1959), American who was disputed last surviving veteran of American Civil War
- Walter Williams (journalist) (1864–1935), American who founded the Missouri School of Journalism
- Walter McAdoo Williams (1891–1959), North Carolina textile executive
- Walter C. Williams (1919–1995), American engineer
- Walter Frederick George Williams (1928–2018), British comedian and actor better known as Bill Maynard
- Walter E. Williams (born 1936), American economist and radio personality
- Walter Lee Williams (born 1948), American academic and FBI Ten Most Wanted Fugitive as of June 2013
- Walter Jon Williams (born 1953), American science fiction writer
- Walter Ray Williams, Jr. (born 1959), American professional bowler
- Walter Williams (running back) (born 1977), American football player
- Walter Williams (comedian filmmaker), best known as the Saturday Night Live writer who created Mr. Bill
- Warren Williams (disambiguation), multiple people
- Warren Heywood Williams (1844–1888), American architect
- Warren Williams (rock musician), Australian rock music singer and songwriter
- Warren H Williams (born 1963), Australian country music singer and songwriter
- Warren Williams (American football) (born 1965), American football player
- Wayne Williams (born 1958), American murderer and possible serial killer
- Wendell Craig Williams (born 1965), American lawyer and politician
- Wendell Williams (born 1968), Trinidadian sprinter and Olympic long jumper
- Wendy Williams (disambiguation), multiple people
- Wendy Williams (British actress) (1934–2019), British actress
- Wendy O. Williams (1949–1998), American musician
- Wendy Williams (born 1964), American radio and television personality
- Wendy Williams (American actress) (born 1976), American pornographic actress
- Wesley Williams (born 1968), Canadian rapper and actor known as Maestro
- Whit Williams, American saxophonist
- Whitney Williams, American businesswoman and philanthropist
- Willi Williams (born c.1956), Jamaican reggae and dub musician and producer
- William Williams (disambiguation), multiple people
- William Carlos Williams (1883–1963), American poet
- Willie Williams (disambiguation), multiple people
- Willie Williams (baseball) (1925–2011), American Negro league baseball player
- Willie Williams (athlete) (1931–2019), American sprinter
- Willie A. Williams (cornerback) (born 1941), former NFL cornerback in the 1960s and 1970s
- Willie Williams (cricketer) (born 1941), English cricketer
- Willie L. Williams (1943–2016), American police officer who served as Los Angeles police chief, 1992–1997
- Willie Williams (basketball) (born 1946), American basketball player
- Willie Williams (karateka) (born 1951), American Kyokushin Karateka in the 1970s
- Willie Williams (murderer) (1956–2005), American murderer executed in 2005
- Willie Williams (set designer) (born 1959), British theatrical stage set, lighting designer and video director
- Willie J. Williams (cornerback) (born 1970), NFL cornerback in the 1990s and 2000s
- Willie Williams (defensive tackle) (born 1984), NFL defensive tackle
- Woody Williams (infielder) (1912–1995), American baseball player
- Woody Williams (born 1966), American baseball pitcher
- Worrell Williams (born 1986), American football linebacker
- Wyn Williams (born 1951), Welsh Justice of the High Court
Y
- Yorick Williams (born 1975), British basketball player
- Yvette Williams (1929–2019), New Zealand field athlete
Z
- Zac Williams (Australian footballer) (born 1994), Australian rules footballer
- Zack Williams (born 1988), American football center
- Zane Williams (born 1977), American country singer
- Zelda Williams (born 1989), American actress
- Zoe Williams (born 1973), English columnist, journalist and author
- Zoe Williams (Gladiators) (born 1980), English TV 'Gladiator' Amazon
Fictional Characters
- Abigail Williams (As the World Turns), character from the US soap opera
- Anna Williams (Tekken), fictional character from the Tekken video game series
- Ash Williams, fictional character from the Evil Dead franchise
- Ashley Williams (Mass Effect), fictional character in the Mass Effect video game
- Ben Williams (Family Affairs), character in UK soap opera Family Affairs
- Betty Williams (Coronation Street), fictional character in the British soap opera
- Billy Williams (Coronation Street), fictional character in Coronation Street; married to Betty Williams
- Brad Williams (EastEnders), fictional television character from British soap opera EastEnders
- Byron Williams (fictional character), fictional character in the 1996 film Mars Attacks!
- Chrissie Williams, Christine Williams, fictional character on Holby City
- Christine Williams (Tangle), fictional character on Tangle
- Christine Blair, née Christine Williams, fictional character on The Young and the Restless
- Cindy Williams (EastEnders), fictional character from British soap opera EastEnders
- Conrad Williams (Family Affairs), fictional character in UK soap opera Family Affairs
- Dave Williams (Desperate Housewives), fictional character on the TV series Desperate Housewives
- Doug Williams (Days of our Lives), character on the soap opera Days of our Lives, played by Bill Hayes
- Edie Williams née Britt, character from Desperate Housewives
- Erma Williams, the protagonist of the Brandon J. Santiago webcomic Erma
- Gethin Williams minor character from the BBC soap opera Eastenders
- Henry Williams (Casualty) fictional character from the BBC television drama Casualty
- Jane Williams (EastEnders), fictional character from British soap opera EastEnders
- Kenny Bruce Williams, fictional character in the Left Behind series
- Mark Williams (Holby City), fictional character in Holby City
- Mary Williams (The Young and the Restless), fictional television character
- Michael Williams (Henry V), character in William Shakespeare's Henry V
- Michael Williams (Neighbours), character from the soap opera Neighbours
- Mitch Williams (General Hospital), character in the soap opera General Hospital
- Natasha Williams (Neighbours), character from the Australian soap opera Neighbours
- Nathan Williams (EastEnders), character from the British soap opera EastEnders
- Nina Williams, fictional character from the Tekken video game series
- Paul Williams (character), fictional character on The Young and the Restless
- Rhys Williams (Torchwood), character from the British science fiction series Torchwood
- Ricky Williams (The Young and the Restless), a character from The Young and the Restless
- Rory Williams, character from Doctor Who
- Samuel "Sam" Williams, a supporting character of the Brandon J. Santiago webcomic Erma
- Shelley Williams, character from the British soap opera Emmerdale
- Smash Williams (Brian Williams), fictional character in the television series Friday Night Lights
- Terry Williams (Hollyoaks), character on the British soap opera Hollyoaks
- Tim Williams (fictional character), fictional character on the TV series Tangle
- Winston Williams, a character in the Netflix series 13 Reasons Why
- Emiko Williams (née Yūreimoto), a supporting protagonist of the Brandon J. Santiago webcomic Erma
See also
- Williams da Silva Mendonça (born 1983), Brazilian footballer
- Williams Act, 1968 amendments to the Securities Exchange Act of 1934
- Williams Air Force Base, former USAF base in Mesa, Arizona
- Williams and Ree, comedy duo composed of Bruce Williams and Terry Ree
- Williams Arcade's Greatest Hits, video game anthology
- Williams Arena, University of Minnesota's Golden Gophers basketball arena
- Williams Arena at Minges Coliseum, East Carolina University's Pirates basketball and multi-use arena
- Williams, Arizona, city in Coconino County
- Williams Assembly Center, Jackson State University's Tigers basketball and multi-use arena
- Williams Baptist College, private college in Lawrence County, Arkansas
- Williams baronets, British baronetcies
- Williams Bay, village in Walworth County, Wisconsin
- Williams Bridge, wooden covered bridge in southern Indiana
- Williams sisters, the tennis doubles team consisting of Venus and Serena Williams
- Williams sisters rivalry, the singles rivalry between the Williams sisters
- 12820 Robinwilliams, main–belt asteroid
- Abigail Williams (band), American black metal band
- Andy Williams (album), a 1958 compilation album by the eponymous artist
- Bert Williams Leisure Centre, leisure centre in Bilston, West Midlands, UK
- Bill Williams River, river in the western half of Arizona draining into the Colorado River
- Clio Williams, limited edition Renault
- Doris Williams Stadium, multi-use stadium in Buchanan, Liberia
- Ellis Williams House, historic home in Chester County, Pennsylvania
- Esther Williams Trophy, international Naval tradition inspired by a picture of the eponymous actress
- Evan Williams (whiskey), brand of bourbon whiskey
- Fos Williams Medal, Australian rules football award in South Australia
- Frank Williams Racing Cars, British Formula One team and constructor
- H Williams, former (collapsed 1987) Irish supermarket chain
- Hank Williams First Nation, a 2005 Canadian film
- Harry and Wilga Williams indigenous Australian musical duo
- Heather Stevens née Williams, a character on the American soap opera The Young and the Restless
- Horace Williams Airport, public use airport in Orange County, California
- USS James E. Williams (DDG-95) an Arleigh Burke-class destroyer in the United States Navy
- List of ships named John Williams
- John Williams House (disambiguation), multiple historic buildings in the USA
- Keller Williams Realty, international real estate franchise with headquarters in Austin, Texas
- Lake Williams, North Dakota, unincorporated community in North Dakota
- Mark Williams (album), eponymous 1975 album by New Zealand singer
- Mark Williams Company, small software company that created Coherent
- Maurice Williams and the Zodiacs, American doo-wop/R&B vocal group
- Megan Williams case, Megan Williams: American woman who falsely accused six people of kidnap, torture, and rape
- Michael Williams of United States v. Williams
- Otis Williams and the Charms, American doo–wop group
- Robin and Linda Williams (1971–present), American folk music duo
- Roger Williams and the All Mixed-Up Quartet, American Christian rock band
- Roger Williams Park, Rhode Island, United States
- Roger Williams University, Rhode Island, United States
- Roger Williams (train), an innovative DMU train introduced by the New York, New Haven and Hartford Railroad
- Roy Williams Airport, an airport in Joshua Tree, California
- Sid Williams Theatre is a performance theatre in the Comox Valley, Courtenay, British Columbia, Canada
- Ted Williams Freeway California State Route 56
- Ted Williams Highway Massachusetts Route 9
- Ted Williams Museum in St. Petersburg, Florida
- Ted Williams Tunnel road tunnel under Boston harbour, Massachusetts
- Tod Williams Billie Tsien Architects, New York architectural firm
- Wynn Williams & Co, Christchurch, New Zealand based law firm
- Zach Williams & The Reformation, American band