William Butler may refer to:
Actors William Butler (actor), American actor, played in Leatherface: The Texas Chainsaw Massacre III William J. Butler (1860–1927), Irish silent film actor
Law William Allen Butler (1825–1902), American lawyer and writer of poetical satires William E. Butler (born 1939), American-British legal scholar William Butler (judge) (1822–1909), U.S. federal judge
Military William Butler (colonel) (died 1789), American Revolutionary War soldier from Pennsylvania, one of five Butler brothers in the war William Butler (1759–1821), American Revolutionary War soldier, 1790s militia general, U.S. representative from South Carolina William Butler (militiaman) (1759–1818), U.S. militia captain killed in the Creek War, namesake of Butler County, Alabama William O. Butler (1791–1880), U.S. soldier in the War of 1812 and Mexican–American War, 1848 Democratic vice-presidential candidate Sir William Butler (British Army officer) (1838–1910), British Army lieutenant general and adventurer William Boynton Butler (1894–1972), British Army soldier awarded a Victoria Cross William Ormond Butler (1895–1962), United States Army Air Force major general
Music Will Butler (William Pierce Butler, born 1982), American musician, member of Arcade Fire William Butler (sound designer), British/Canadian musician, sound designer and recording engineer Billy Butler (guitarist) (William Butler Jr., 1925–1991), American soul jazz guitarist Billy Butler (singer) (William E. Butler, 1945–2015), American soul singer
Politics William Butler (fl. 1386–1393), member of parliament (MP) for Nottingham William Butler (1544–1577), MP for Queenborough William Boteler (died 1602) (1540–1602), or Butler, MP for Lyme Regis and Bedford William Butler (1790–1850), U.S. representative from South Carolina William Butler (Illinois politician) (fl. 1859–1863), Illinois State Treasurer William M. Butler (1861–1937), lawyer and legislator for the state of Massachusetts, United States Senator William Henry Butler (1790–1865), English wine merchant and mayor of Oxford William Butler (New Zealand politician) (1841–1875), New Zealand politician
Religion William Butler (missionary) (1818–1899), Irish-born U.S. Methodist Episcopal missionary to Mexico and India William John Butler (1818–1894), High Church Anglican priest William Butler (canon) (died 1519), canon of Windsor
Sports William C. Butler (1844–1914), played football for England William Butler (cricketer) (1871–1953), New Zealand first-class cricketer, later international Test cricket umpire William Butler (footballer) (1872–1953), Druids F.C. and Wales international footballer William Butler (boxer) (1916–1996), boxer Bill Butler (linebacker) (William Marshall Butler, born 1947), American football linebacker Bill Butler (running back) (William Edward Butler, 1950–2018), American football running back Bill Butler (safety) (William R. Butler, 1937–2025), American football safety in the United States and Canada Bill Butler (outfielder) (William J. Butler, 1861–1895), Major League Baseball outfielder Bill Butler (pitcher) (William Franklin Butler, born 1947), Major League Baseball pitcher Billy Butler (footballer) (William Butler, 1900–1966), English footballer, scorer for Bolton Wanderers in the 1929 FA Cup Final Will Butler (rugby union) (William John Butler, born 1998), English rugby union player
Others William Butler (alchemist) (c. 1534–1617), Irish alchemist William Butler (physician) (1535–1617), Fellow of Clare College, Cambridge William Archer Butler (1814–1848), Irish historian of philosophy W. Corly Butler (1869–1955), Methodist minister in Australia William Edward Butler (1790–1882), West Tennessee settler William F. Butler, African American leader after the American Civil War William James Butler (1858–1932), New Zealand sawmiller and timber merchant William Butler (brewer), whose company was merged into Mitchells & Butlers William Butler (author), author of the novel The Butterfly Revolution Bill Butler (cinematographer) (Wilmer Cable Butler, 1921–2023), American cinematographer Billy Butler (DJ) (William George Butler, born 1942), English DJ from Liverpool
See also William Butler Yeats, Irish poet Bill Butler (disambiguation) Billy Butler (disambiguation) William Boteler (disambiguation), spellings often used interchangeably