John Warren

John Warren may refer to:

Medicine

 * John Warren (surgeon) (1753–1815), American surgeon during the Revolutionary War
 * John Collins Warren (1778–1856), American surgeon
 * John Collins Warren Jr. (1842–1927), American surgeon, son of John Collins Warren
 * John Warren (1874-1928) (1874–1928), professor of anatomy at Harvard University
 * John Robin Warren (born 1937), pathologist

Politics

 * John Warren (Dover MP) (died 1547), MP for Dover (UK Parliament constituency)
 * John Borlase Warren (1753–1822), English admiral, politician, and diplomat
 * Sir John Borlase Warren (1800 ship)
 * John Warren (Upper Canada politician) (died 1832), merchant and politician in Upper Canada
 * John Henry Warren (died 1885), English-born merchant and politician in Newfoundland
 * John Holden Warren (1825–1901), Wisconsin state senator
 * John Warren (Australian politician) (1830–1914), Australian pastoralist and politician
 * John E. Warren, Mayor of Saint Paul, Minnesota from 1863–1864
 * John Warren (trade unionist) (1895–1960), British trade unionist

Sports

 * John Warren (South African cricketer) (1873–1900), South African cricketer
 * John A. Warren (1904–1981), American football and basketball coach at the University of Oregon
 * John Warren (basketball) (born 1947), NBA
 * Johnny Warren (1943–2004), Australian soccer player, coach
 * John Warren (American football) (born 1960), punter in the NFL for the Dallas Cowboys
 * John Warren (born 1960), racing manager of Queen Elizabeth's horses
 * John Warren (Indian cricketer), played for Bengal

Other

 * John Warren (actor) (1916–1977), British screenwriter and actor, wrote Two-Way Stretch
 * John Warren (bishop) (1730–1800), Archdeacon of Worcester, Bishop of Saint David's, Wales, Bishop of Bangor, Wales
 * Jean Baptiste François Joseph de Warren (1769–1830), known as John Warren, surveyor and astronomer in the English East India Company
 * John Warren (mathematician) (1796–1852), English mathematician and Fellow of the Royal Society
 * John Warren (British Army soldier) (died 1813), soldier, official and merchant in Upper Canada
 * John Warren (convict) (1826–1898), convict transported to Western Australia
 * John Warren, 3rd Baron de Tabley (1835–1895), English poet, numismatist, botanist and authority on bookplates
 * John F. Warren (1909–2000), American cinematographer for The Country Girl
 * John Warren (journalist) (born 1937), anchored CBC Parliamentary Television Network
 * John Warren (Canadian musician) (born 1938), Canadian baritone saxophonist and composer
 * John E. Warren Jr. (1946–1969), U.S. Army officer and Vietnam War Medal of Honor recipient
 * John Warren (priest) (1767–1838), Dean of Bangor
 * John Warren (mining) (1837–1910), mining engineer and mine manager in Australia