William Allen

William Allen may refer to:

• William Allen (British politician) (1866–1947), Northern Irish unionist politician
• William Allen (Canadian politician) (1919–1985), Canadian politician from Toronto
• William Allen (congressman) (1827–1881), American congressman from Ohio
• William Allen (governor) (1803–1879), American politician from Ohio
• William Allen (MP for Calne), 1553–1572, MP for Calne
• William Allen (National Liberal politician) (1870–1945), British politician
• William Allen (Oregon politician), member of the Oregon Territorial Legislature, 1857
• William Bell Allen (1812–1869), Australian politician from New South Wales
• William Edward David Allen (1901–1973), British politician and historian
• William F. Allen (Delaware) (1883–1946), American businessman and politician
• William F. Allen (New York) (1808–1878), American judge and politician
• William Fessenden Allen (1831–1906), American businessman and royal adivsor in the Kingdom of Hawaii
• William J. Allen (1829–1901), American congressman from Illinois and federal judge
• William Johnston Allen (1835–1915), Australian politician from New South Wales
• William P. Allen (1818–1901), American politician from Wisconsin
• William Shepherd Allen (1831–1915), English Liberal politician
• William V. Allen (1847–1924), American jurist and senator from Nebraska
• William W. Allen (Pennsylvania politician) (1908–1992), Pennsylvania politician
• William S. Allen (1888–1951), Iowa Secretary of State, 1913–1918

• William Allen (actor) (died 1647), English actor in the Caroline era
• William Allen (artist) (born 1957), American poet and artist
• William Allen (biographer) (1784–1868), American evangelical Congregationalist
• William Allen (Utah architect) (1849–1928), American architect in Utah
• William H. Allen (architect) (1858–1936), architect of New Haven, Connecticut
• William B. Allen (born 1944), American political scientist
• William Francis Allen (1830–1889), American classical scholar
• William Henry Allen (academician) (1808–1882), American professor
• W. H. Allen (1863–1943), English landscape watercolour artist
• William Rodney Allen, American author and professor of English
• William Sheridan Allen (1932–2013), American author and historian
• W. Sidney Allen (1918–2004), English linguist and philologist
• William T. Allen, professor of corporate law at New York University law school

• William Allen (Royal Navy officer) (1792–1864), English naval officer and explorer
• William Allen (soldier) (1845–1882), American recipient of Medal of Honor
• William Allen (VC 1879) (c. 1843–1890), English recipient of the Victoria Cross
• William Barnsley Allen (1892–1933), English recipient of the Victoria Cross
• William Henry Allen (1784–1813), American naval officer
• William Howard Allen (1790–1822), United States naval officer
• William W. Allen (1835–1894), Confederate general

• William Allan (geneticist) (1881–1943), American physician and geneticist
• William Allen (Quaker) (1770–1843), English Quaker, scientist and philanthropist
• William Douglas Allen (1914–2008), British/Australian physicist and electrical engineer

• William Allen (sailor) (born 1947), American sailor and Olympic champion
• William Reginald Allen (Yorkshire cricketer) (1893–1950), English cricketer
• William L. Allen (c. 1877–1907), American football player and coach

• William Allen (cardinal) (1532–1594), English Roman Catholic cardinal priest
• William Allen (Quaker) (1770–1843), English Quaker, scientist and philanthropist
• William Allen (philanthropist) (1790–1856), English-Australian philanthropist
• William Allen (Congregationalist) (1847–1919), English-born, Australian Congregational clergyman

• William Allen (banker) (1736–1792), English banker
• William Allen (loyalist) (1704–1780), founder of Allentown, Pennsylvania
• William Allen White (1868–1944), American newspaper editor
• William E. Allen (fl. 1910s), director of the U.S. Bureau of Investigation
• William McPherson Allen (1900–1985), American aircraft businessman and President of Boeing
• William (Orgain) Allen (1829–1875), American landowner and financier from Virginia
• William P. Allen (trade unionist) (1888-1958), British trade unionist
• William R. Allen (economist) (born 1924), American economist, professor and author
• William G. Allen (1820-?), American abolitionist