John Mann
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
 
Politicians
- John Mann (Australian politician) (1869–1939), Australian politician
 - John Mann, Baron Mann (born 1960), British politician
 - John Mann (New Hampshire politician)
 
Others
- John Frederick Mann (1819–1907), Australian surveyor and explorer
 
See also
- Jackie Mann (1914–1995), British fighter pilot
 - John Man (author) (born 1941), British author
 - John Man (1512–1569), English churchman and diplomat
 - Jonathan Mann (disambiguation)
 - Mann (surname)