William Knight

William, Bill, or Billy Knight may refer to:

Politicians

William Knight (died 1622), Member of Parliament (MP) for Hythe
Bill Knight (born 1947), former Canadian Member of Parliament and financial executive
William J. Knight (1898–1957), X-15 pilot and U.S. politician
William W. Knight (politician) (1913–?), Pennsylvania politician
William Knight (Wisconsin politician) (1843–1941), Wisconsin legislator and orchardman
William Grills Knight (1839–1903), mayor of Albany, Western Australia

Billy Knight (tennis) (born 1935), British tennis player
Billy Knight (born 1952), American basketball player and executive who went to college at Pittsburgh
Billy Knight (basketball, born 1979) (1979–2018), American basketball player who went to college at UCLA
William Knight (footballer), English football goalkeeper for Southampton (1911–1913)

William Angus Knight (1836–1916), British writer, professor, and philosopher
William Bruce Knight (1786–1845), Dean of Llandaff
William Frederick Knight (born 1933), voice actor
William Henry Knight (1823–1863), British painter
William Knight (pirate), English buccaneer
William Knight (martyr) (1572–1596), martyred in 1596
William Knight (bishop) (1475–1547), member of the court of Henry VIII, and Bishop of Bath and Wells
William W. Knight (publisher) (1909–1981), lawyer, state legislator, publisher of The Oregon Journal
Willy Knight, fictional Timeline-191 series character