William Mills

William Mills may refer to:

Politics

 * William Mills (1750–1820), MP for St Ives 1790–96 and Coventry 1805–12
 * William J. Mills (1849–1915), Governor of the New Mexico Territory
 * William George Mills (1859–1933), sheep breeder and politician in South Australia
 * William Oswald Mills (1924–1973), American politician
 * William Thomas Mills (1924–2011), merchant and politician in Ontario, Canada
 * William Stratton Mills (born 1932), politician in Northern Ireland
 * William Mills (Lord Provost) (1776–1857), Scottish cotton merchant and Lord Provost of Glasgow 1834 to 1837
 * William Ellison Mills (1859–1930), American leather manufacturer and politician from New York

Sports

 * William Mills (English cricketer) (1820–1877), English lawyer and cricketer
 * William Mills (New Zealand cricketer) (1875–1962), New Zealand cricketer
 * Willie Mills (baseball) (1877–1933), American professional baseball pitcher
 * Billy Mills (footballer) (1891–19???), English professional footballer
 * Billy Mills (racing driver) (1898–1937), South African racing driver
 * Willie Mills (1915–1991), Scottish professional footballer
 * Bill Mills (baseball) (1919–2019), Major League Baseball player
 * Billy Mills (born 1938), American Olympic athlete

Others

 * William Mills (actor) (1701–1750), British stage actor
 * William Augustus Mills (1777–1844), Major General in the War of 1812
 * William Mills (surveyor) (1844–1916), Australian surveyor
 * William Mills (bishop) (1846–1917), Canadian Anglican bishop of Ontario, 1901–1917
 * William Mills (inventor) (1856–1932), inventor of the Mills bomb
 * William Corless Mills (1860–1928), US museum curator
 * William Mills (businessman) (1866–1916), Western Australian businessman
 * William Hobson Mills (1873–1959), British organic chemist
 * William Harold Mills (1921-2007), American mathematician who proved existence of Mills' constant
 * Billy G. Mills (born 1929), Los Angeles Superior Court judge and City Council member
 * Billy Mills (poet) (born 1954), Irish poet