William Knight

William, Bill, or Billy Knight may refer to:

Arts and entertainment

 * William Frederick Knight (1933–2022), American voice actor
 * William Henry Knight (1823–1863), British painter

Politics

 * 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 (1929–2004), X-15 pilot and U.S. politician
 * William M. Knight (1837–1910), American politician and merchant from Maryland
 * William W. Knight (politician) (1913–1987), Pennsylvania politician
 * William Knight (Wisconsin politician) (1843–1941), Wisconsin legislator and orchardman
 * William Grills Knight (1839–1903), mayor of Albany, Western Australia

Sports

 * William Knight (fighter) (born 1988), American mixed martial arts (MMA) fighter
 * Billy Knight (basketball, born 1979) (1979–2018), American basketball player who went to college at UCLA
 * William Knight (volleyball) (born 1964), Canadian volleyball player
 * Billy Knight (born 1952), American basketball player and executive in the NBA who went to college at Pittsburgh
 * Bill Knight (boxer) (born 1951), British Olympic boxer
 * Billy Knight (tennis) (born 1935), British tennis player
 * William Knight (footballer), English football goalkeeper for Southampton (1911–1913)

Others

 * William Angus Knight (1836–1916), British writer, professor, and philosopher
 * William Bruce Knight (1786–1845), Dean of Llandaff
 * William Knight (architect) (1840–1923), architect in Nottingham
 * 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
 * William James Knight (1837–1916), American soldier and Medal of Honor recipient