William Hart

William Hart may refer to:

Arts and entertainment

• William Hart (actor) (died 1650), English Caroline actor
• William Hart (painter) (1823–1894), Scottish-American painter
• William Matthew Hart (1830–1908), British lithographer and bird artist
• William S. Hart (1864–1946), American silent film actor, screenwriter, director, and producer
• William Sterling Hart (1917–2006), American actor, better known as Robert Sterling
• William Hart (singer) (born 1945), singer with The Delfonics
• Will Cullen Hart (born 1971), American musician and artist
• Billy Hart (born 1940), American jazz drummer

Judiciary

• William Hart of Livelands, Scottist jurist and 16th century Lord Advocate
• William H. H. Hart (1848–1903), California attorney general
• William L. Hart (1867–1962), justice of the Supreme Court of Ohio
• William Thomas Hart (born 1929), United States federal judge

Sports

• Bill Hart (pitcher) (1865–1936), American professional baseball pitcher
• Billy Hart (baseball) (1866–1944), American professional baseball player
• Bill Hart (infielder) (1913–1968), American professional baseball third-baseman with the Brooklyn Dodgers
• Bill Hart (footballer) (1923–1990), English professional footballer

Other fields

• William Hart (MP), Member of Parliament (MP) for Bletchingley
• William Hart (politician) (1825–1904), Tasmanian businessman served in three tiers of Government
• William E. Hart (1843–1874), Union Army soldier during the American Civil War
• William Hart (priest) (1558–1583), Catholic martyr
• William Hart (Medal of Honor) (1866–1899), American sailor
• William Hart (bishop) (1904–1992), Bishop of Dunkeld
• William Hart, drilled the first natural gas well in the United States, leading to the formation of the Fredonia Gas Light Company
• William Neville Hart (1741–1804), British banker, politician and diplomat
• William Ewart Hart (1885–1943), Australian aviator and dentist
• William Stanford Hart Sr., mayor of East Orange, New Jersey
• Bill Hart, character in 2012: Ice Age