John Mann may refer to:

Entertainment

  • John Mann (British actor), 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)