William Collins may refer to:

Arts William Collins (poet) (1721–1759), English poet William Collins (modeller), English modeller William Collins (painter) (1788–1847), English landscape artist William Lucas Collins (1815–1887), English author and clergyman of the Church of England William Wiehe Collins (1862–1951), English architectural and landscape genre painter Billy Collins (born 1941), American poet William P. Collins, author of works on the Bábí and Bahá'í faiths, see Bahá'í Faith in Europe

Politics William Collins (Roundhead), English politician who sat in the House of Commons from 1654 to 1659 William Collins (Warwick MP) (died 1859), member of parliament (MP) for Warwick 1837–52 William Collins (South African politician) (1803–1876), member Volksraad of the Orange Free State William Richard Collins (1876–1944), South African politician William Collins (New York politician) (1818–1878), U.S. congressman from New York William Whitehouse Collins (1853–1923), New Zealand member of parliament for Christchurch in the South Island William Collins (English surgeon) (1859–1946), British surgeon and Liberal Party politician William Collins (New Zealand surgeon) (1853–1934) sportsman, surgeon, and member of the New Zealand Legislative Council William A. Collins (1935–2022), American politician, state representative and mayor from Norwalk, Connecticut William T. Collins (1886–1961), American politician, acting mayor of New York City

Publishing William Collins (publisher) (1789–1853), Scottish founder of the William Collins, Sons publishing house William Collins (Lord Provost) (1817–1895), Scottish temperance movement activist; son of publisher William Collins. William Collins, Sons (est. 1819), Scottish publishing house, became part of HarperCollins in 1990, a subsidiary of News Corp. William Collins (imprint), a non-fiction publishing brand launched by HarperCollins in 2014

Sports William Collins (cricketer, born 1837) (1837–1876), Australian cricketer William Collins (cricketer, born 1848) (1848–1932), Welsh author and cricketer William Collins (cricketer, born 1868) (1868–1942), English cricketer William Collins (tennis), British tennis player from the 1920s and 30s, see 1930 Wimbledon Championships – Men's singles William Collins (canoeist) (1932–1993), Canadian canoer who competed in the 1956 Summer Olympics Bill Collins (sprinter) (William Collins, born 1950), American sprinter Bill Collins (American football) (William Newton Collins, 1894–?), American college football player and coach Bill Collins (catcher) (William J. Collins, 1863–1893), Irish-American baseball player Bill Collins (footballer, born 1871) (William Collins, 1871–1942), Australian footballer for Carlton Bill Collins (footballer, born 1920) (William Hanna Collins, 1920–2010), aka Buster Collins, Northern Irish footballer Bill Collins (golfer) (William R. Collins, 1928–2006), American professional golfer Bill Collins (ice hockey) (William Earl Collins, born 1943), Canadian former ice hockey player Bill Collins (outfielder) (William Shirley Collins, 1882–1961), American baseball player Bill Collins (racecaller) (William Henry Collins, 1928–1997), Australian racecaller Bill Collins (rugby union) (William Reuben Collins, 1911–1993), New Zealand rugby union player Bill Collins (television presenter) (William Roderick Collins, 1934–2019), Australian film critic and television presenter Billy Collins Jr. (1961–1984), American professional boxer Billy Collins (Australian footballer) (William Henry Collins, 1909–1982), Australian rules footballer

Others William Collins (colonist) (1760-1819), English naval officer and early settler in Tasmania, Australia William O. Collins (1809–1880), commandant of Fort Laramie, Wyoming; namesake of Fort Collins, Colorado and Camp Collins William Collins (bishop) (1867–1911), Bishop of Gibraltar in the Church of England William Henry Collins (1878–1937), Canadian geologist William Floyd Collins (1887–1925), American cave explorer William J. Collins (1896–1970), president of St. Ambrose University William R. Collins (1913–1991), United States Marine Corps general William T. Collins Jr. (1932–2023), American automotive engineer for Pontiac and DeLorean William Erle Collins (1929–2013), American parasitologist Bootsy Collins (William Earl Collins, born 1951), American funk bassist, singer and songwriter Mr William Collins, a fictional character in the Jane Austen novel Pride and Prejudice William Collins, a contestant of Big Brother 1 (American season) William D. Collins, climate scientist and astrophysicist

See also Bill Collins (disambiguation) Wil Collins, American golfer