| Intro | English brewer, born 1866 |
| A.K.A. | Sir William Waters Butler, 1st Baronet |
| Was | Brewer |
| From | United Kingdom |
| Gender | male |
| Birth | 1866 |
| Death |
1939 (aged 73 years) |
William Butler may refer to:
Politicians
- William Butler (fl.1386-1393), Member of Parliament (MP) for Nottingham
- William Butler (1544–77), 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 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
Law
- William Allen Butler (1825–1902), American lawyer and writer of poetical satires
- William E. Butler (born 1939), American-British legal scholar
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) (died 1818), U.S. militia captain killed in the Creek War, namesake of Butler County, Alabama
- William Orlando 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), 19th century British Army lieutenant general and adventurer
- William Boynton Butler (1894–1972), British Army soldier awarded a Victoria Cross
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), English boxer
- William Butler ( Billy ) (Yorkshire county darts player) British championship tournament winner born 1960 in Blackburn Lancashire moved to Leeds Yorkshire 1969.
Actors
- William Butler (actor), U.S. actor, played in Leatherface: The Texas Chainsaw Massacre III
- William J. Butler (1860–1927), Irish silent film actor
- William D. Byl Butler (1952-), U.S. actor, Choreographer, Dancer, RoboCop 3, Island Girl, White Lie, Marshals I.T., off Broadway actor,Runway Model
Others
- William Butler (physician) (1535–1617), Fellow of Clare College, Cambridge
- William F. Butler, African American leader after the American Civil War
- William Archer Butler (1814–1848), Irish historian of philosophy
- William Butler (brewer), whose company was merged into Mitchells & Butlers (brewery)
- William Butler (judge) (1822–1909), U.S. federal judge
- William Butler (musician) (born 1982), U.S. musician, member of the Arcade Fire
- William Butler (author), author of the novel The Butterfly Revolution
- William Butler (alchemist) (c. 1534–1617), Irish alchemist
- William James Butler (1862–1934), New Zealand sawmiller and timber merchant
- William John Butler (1818–1894), High Church Anglican priest
- William Butler (canon) (d. 1519) Canon of Windsor