William White may refer to:

• William White (MP for City of London), for City of London (Parliament of England constituency)
• William White (MP for Lymington) (died 1594), MP for Lymington
• William White (MP for Clitheroe) (1606–1661), MP for Clitheroe in 1660
• William White (Secretary of State) (1762–1811), North Carolina Secretary of State, 1798–1811
• William Duckett White (1807–1893), member of the Queensland Legislative Council
• William White (Maryland politician) (1824–1885), American politician from Maryland
• Sir William Arthur White (1824–1891), British diplomat
• William White (New Zealand politician) (1849–1900), New Zealand Member of Parliament
• William J. White (politician) (1850–1923), United States Representative from Ohio
• William Pūnohu White (1851–1925), Hawaiian politician
• William White (Canadian politician) (1856–1953), elected member of the 1st Council of the Northwest Territories, 1883–1885
• Sir William Thomas White (1866–1955), Canadian politician and Cabinet minister
• William Henry White (politician) (1865–1930), Canadian Member of Parliament from Alberta
• William P. White (mayor) (died 1938), mayor of Lawrence, Massachusetts

• William White (Ohio judge) (1822–1883), Republican politician in the U.S. State of Ohio and Ohio Supreme Court judge
• William H. White (judge) (1842–1914), justice of the Washington Supreme Court
• William Sylvester White (1914–2004), American judge and member of the Golden Thirteen

• William White (bishop of Pennsylvania) (1748–1836), Episcopal bishop in America, Presiding Bishop and Chaplain of Congress
• William C. White (1854–1937), son of Seventh-day Adventist Church founder Ellen G. White
• William White (bishop of Newfoundland) (1865–1943), Anglican bishop in Canada
• William White (bishop of Honan) (1873–1960), Anglican bishop in China
• William White (bishop of the Southeast) (born 1947), Reformed Episcopal Church bishop in South Carolina
• William A. White (1874–1936), American-Canadian Baptist minister, and only Black military chaplain in the British Empire during World War I
• William J. White (journalist) (1831–1913), African-American civil rights leader, journalist (editor of the Georgia Baptist), educator, and minister in Augusta, Georgia
• William White (priest), Anglican priest in Ireland in the late 18th and early 19th centuries
• William White (missionary), missionary for the Wesleyan Church in New Zealand

• William White (footballer) (born 1995), Bermudan footballer
• William Edward White (1860–1937), American baseball first baseman, possibly the first African-American to play major league baseball
• Will White (1854–1911), American baseball pitcher and manager
• William White (field hockey) (1920–1990), Scottish sportsman who played cricket and field hockey
• William White (British Army officer) (1879–1951), English cricketer
• William White (American football) (1966–2022), American football player
• Will White (American football), American football player
• William White (Guyanese cricketer) (born 1953), Guyanese cricketer
• William White (sport shooter) (1912–2011), British Olympic shooter
• William C. White (American football) (1896–1986), American football coach
• William Deacon White (1878–1939), American educator and sports promoter in Edmonton, Alberta

• William White (composer) (1571–c. 1634), English composer
• William White (printer) (before 1577–1618), based in London, printed the first quarto of Shakespeare's Love's Labors Lost (1598) for publisher Cuthbert Burby
• William White (publisher) (1799–1868), publisher of White's Directories in the 19th century
• William White (journalist) (1807–1882), British pamphleteer and parliamentary sketch writer
• William Allen White (1868–1944), American newspaper editor
• William Lindsay White (1900–1973), American journalist
• William Chapman White (1903–1955), American journalist
• William S. White (1905–1994), American journalist and biographer
• William White (academic) (1910–1995), American academic of journalism and bibliographer
• William Anthony Parker White (1911–1968), better known by his pen name Anthony Boucher, American author, critic, and editor
• William White (actor) (1921–1985), film producer and actor
• William H. White (publisher) (c. 1925–1989), American author, editor and publisher
• William H. White (maritime writer), American naval historical novelist
• William White, one of the pseudonyms of Finnish singer Irwin Goodman (1943–1991)

• William Allison White (1894–1974), English recipient of the Victoria Cross
• Sir William Henry White (1845–1913), British warship designer
• William J. White (general) (1925–2017), American general
• William White (conscientious objector), Australian conscientious objector during the Vietnam War
• William R. White (United States Army officer), U.S. Army general
• William Sylvester White (1914–2004), American judge and member of the Golden Thirteen

• William White (architect) (1825–1900), English architect
• William H. White (architect) (1838–1896), British architect

• William Alanson White (1870–1937), American neurologist and alienist
• William Comings White (1890–1965), engineer, General Electric, Schenectady, NY
• William E. White, American neurologist and author
• J. William White (1850–1916), US surgeon
• William L. White (born 1947), writer on addiction recovery and policy
• William Toby White, Australian ichthyologist

• William White (economist) (born 1943), Canadian economist
• William White (gangster) (1900–1934), Prohibition gangster and Chicago Outfit gunman
• William White (Mayflower passenger) (c. 1580–1621)
• William White (master), English academic, master of Balliol College, Oxford
• William R. White (academic administrator) (1892–1977), president of Hardin-Simmons University, and of Baylor University
• William Hale White (1831–1913), English writer and civil servant
• Larry Grayson (1923–1995), English stand-up comedy and gameshow host, born William White

• Bill White (disambiguation)
• Willie White (disambiguation)
• William Whyte (disambiguation)