John Townsend may refer to:
Politicians John Townsend (MP for Warwick), English politician who sat in the House of Commons from 1597 to 1614 John Townsend (Irish politician) (1737–1810), Irish MP for Dingle, Doneraile and Castlemartyr John Townsend (mayor) (1783–1854), 37th mayor of Albany, NY John Townsend (New York City) (1789–1863), New York politician John Townsend (MP for Greenwich) (1819–1892), British politician and member of Parliament for Greenwich John Selby Townsend (1824–1892), American Democrat legislator and jurist from Iowa John G. Townsend Jr. (1871–1964), American businessman and politician, governor and senator from Delaware John Townsend (Wisconsin politician) (born 1938), Wisconsin politician
Scientists John Kirk Townsend (1809–1851), American naturalist John Sealy Townsend (1868–1957), Irish physicist John W. Townsend Jr. (1924–2011), American physicist and aerospace engineer
Sportspeople John Townsend (basketball) (1916–2001), American basketball player John Townsend (footballer) (born 1943), Australian rules footballer Johnny Townsend (American football) (born 1995), American football player
Others John Townsend (Oyster Bay) (1608–1668), early settler of the American colonies John Townsend (1732–1809), cabinet maker of the Goddard and Townsend style John Townsend (educator) (1757–1826), English Congregationalist minister and founder of school for deaf children John P. Townsend (1832–1898), American financier John Rowe Townsend (1922–2014), British children's author John Richard Townsend (1930–2013), British painter John Townsend (musician) (active 1974–1980), musician with the Sanford-Townsend Band John Townsend (author) (born 1952), American psychologist and author
See also John Townend (rugby league), rugby league footballer who played in the 1890s and 1900s John Townend (born 1934), British politician John Townshend (disambiguation)