John or Jack Bowen may refer to:
Politicians William Bowen (British politician) (John William Bowen, 1876–1965), member of parliament for Crewe, 1929–1931 John C. Bowen (1872–1957), Canadian clergyman, politician, and sixth and longest-serving lieutenant governor of Alberta John Henry Bowen (1780–1822), American politician John W. Bowen (1926–2011), Republican politician in the Ohio Senate
Religious figures John Bowen (bishop) (1815–1859), bishop of Sierra Leone John W. E. Bowen Sr. (1855–1933), Methodist clergyman and educator
Writers John Eliot Bowen (1858–1890), American author John Bowen (British author) (1924–2019), British playwright and novelist
Others John Bowen (Royal Navy officer) (1780–1827), English sailor and administrator; founded the first settlement at Hobart, Australia John Bowen (pirate) (died 1704), pirate active in the Indian Ocean and Red Sea John Bowen (antiquary) (1756–1832), English painter, genealogist and antiquarian John Bowen (alderman) (1844–1926), English businessman John Clyde Bowen (1888–1978), U.S. federal judge John J. Bowen Jr. (born 1955), American entrepreneur John S. Bowen (1830–1863), American Confederate general John S. Bowen (executive) (born c. 1927), American advertising executive John S. Bowen (sound designer), American synthesizer designer John Templeton Bowen (1857–1940), American dermatologist John T. Bone (John Gilbert Bowen, 1947–2019), British-born American pornographic film director John W. Bowen (U.S. Army general) (1910–1977), U.S. Army lieutenant general John Bowen, 3rd Baronet (1918–1939), of the Bowen baronets Jack Bowen (rugby union) (born 2003), Australian rugby union player
See also Jonathan Bowen (born 1956), British computer scientist and professor Jackie Bowen (Benjamin John Bowen, 1915–2009), Welsh rugby union and rugby league player Bowen (surname)