William Ellis

William Ellis may refer to:

• William Ellis (14th-century MP), in 1388, Member of Parliament for Canterbury
• William Ellis (Secretary of State) (died 1732), English Jacobite, secretary of State to James II in exile
• 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 Thomas 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–?), member of the Wisconsin State Senate
• William Ellis (mayor), 19th Mayor of Hoboken, New Jersey

• William Ellis (cricketer) (1876–1931), English cricketer for Derbyshire
• 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

• William Ellis (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

• 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, Canadian actor
• William Henry Ellis (engineer) (1860–1945), British civil engineer and steel maker
• William Otoo Ellis, Vice Chancellor of the Kwame Nkrumah University of Science and Technology
• William Henry Ellis (entrepreneur) (1864 - 1923) African-American who was born a slave but died a business man