John Mann may refer to:
Entertainment John Mann (British actor) (1915–1981), British radio actor John Mann (engineer), guitar engineer John Mann (musician) (1962–2019), Canadian folk-rock musician and actor Johnny Mann (1928–2014), American composer and recipient of multiple Grammy Awards
Sports John Mann (Australian cricketer) (1919–1969), Australian cricketer John Mann (English cricketer) (born 1983), English cricketer John Mann (water polo) (born 1985), American water polo player J. J. Mann (born 1991), American basketball player John Pelham Mann (1919–2002), English cricketer and British Army officer Johnny Mann (baseball) (1898–1977), American baseball player Jack Mann (ice hockey) (John Edward Kingsley Mann, 1919–1980), Canadian ice hockey centre
Politicians John Mann (Australian politician) (1869–1939), member of the Queensland Legislative Assembly Johnno Mann (John Henry Mann, 1896–1973), member of the Queensland Legislative Assembly John Mann, Baron Mann (born 1960), British politician John Mann (New Hampshire politician)
Others John Frederick Mann (1819–1907), Australian surveyor and explorer John Mann (bishop) (1880–1967), English Anglican bishop See also Jackie Mann (1914–1995), British fighter pilot John Man (author) (born 1941), British author John Man (1512–1569), English churchman and diplomat Jack Mann (disambiguation) Jonathan Mann (disambiguation) Mann (surname)