William Ellis may refer to:
Politicians William Ellis (14th-century MP), member of parliament for Canterbury, 1388 Sir William Ellis (secretary of state) (died 1732), English Jacobite, secretary of State to James II in exile Sir William Ellis (solicitor-general) (1609–1680), English lawyer and politician William Craven-Ellis (1880–1959), Conservative Party politician in the United Kingdom William Cox Ellis (1787–1871), member of the United States House of Representatives from Pennsylvania William Henry Ellis (politician) (1819–1858), English-born political figure in Newfoundland William R. Ellis (1850–1915), United States congressman from Oregon from 1893–1899 and 1907–1911 William T. Ellis (1845–1925), U.S. representative from Kentucky William Ellis (Newfoundland politician) (1857–1926), building contractor and political figure in Newfoundland William A. Ellis (1828–1900), member of the Wisconsin State Senate William Ellis (mayor), mayor of Hoboken, New Jersey William Ellis (Massachusetts politician), representative to the Great and General Court
Sportsmen William Ellis (English cricketer) (1876–1931), English cricketer for Derbyshire William Ellis (Scottish cricketer) (1923–2015), Scottish cricketer William Webb Ellis (1806–1872), Anglican clergyman, allegedly the inventor of rugby football Billy Ellis (1895–1939), English footballer Bill Ellis (1919–2007), English cricketer
Religious figures William Ellis (British missionary) (1794–1872), English missionary and author William Ellis (missionary in Newfoundland) (1780–1837), Irish-born Methodist clergyman, missionary in Newfoundland William Webb Ellis (1806–1872), Anglican clergyman, allegedly the inventor of rugby football
Others William Ellis (astronomer) (1828–1916), English astronomer and meteorologist William Ellis (engraver) (1747–1810), English engraver William Ellis (economist) (1800–1881), English businessman, writer on economics, and educational thinker William Ellis (Medal of Honor) (1834–1875), American soldier and Medal of Honor recipient William Ellis (writer on agriculture) (1700–1758), English writer on agriculture Sir William Charles Ellis (1780–1839), English physician, pioneering superintendent of asylums and Methodist lay preacher William Ellis (actor), British actor, voice artist and podcaster William Henry Ellis (businessman) (1864–1923), born into slavery and became a Mexican millionaire William Henry Ellis (engineer) (1860–1945), British civil engineer and steel maker William Hodgson Ellis (1845–1920), British-Canadian chemist William Otoo Ellis, vice chancellor of the Kwame Nkrumah University of Science and Technology William Edward Ellis (1908–1982), U.S. Navy officer W. H. Ellis (1867–1948), justice of the Florida Supreme Court William Wade Ellis (1751–1779), naturalist and artist who accompanied Captain Cook William Ashton Ellis (1852–1919), English doctor, translator and theosophist William Ellis (Royal Navy officer) (1697/8—1743)
See also William Henry Ellis (disambiguation) William Ellis School, a UK secondary comprehensive school for boys in Highgate, London