John Mann may refer to:
- John Mann (actor), British actor
- John Mann (Australian politician) (1869–1939), Australian politician
- John Pelham Mann (1919–2002), English cricketer and British Army officer
- John Mann (cricketer, born 1983), former English cricketer
- John Mann (comedian) (born 1961), British comedian, writer and columnist
- John Mann (politician) (born 1960), UK Labour Party politician, MP for Bassetlaw
- John Mann (musician) (born 1962), Canadian rock musician and actor
- John Mann (water polo), American water polo player
- Jackie Mann (1914–1995), British fighter pilot
- Johnny Mann (born 1928), American composer and recipient of multiple Grammy Awards
- Johnny Mann (baseball) (1898–1977), American baseball player
Famous quotes containing the words john and/or mann:
“The kind of scientist who has no room for faith in his universe is rather old-fashioned nowadays.”
—Robert D. Andrews, and Nick Grindé. Dr. John Garth (Boris Karloff)
“Have you never heard of German Becoming, of German Wandering, of the endless migratings of the German soul? Even foreigners know our word ‘Wanderlust.’ If you like, the German is the eternal student, the eternal searcher, among the peoples of the earth.”
—Thomas Mann (1875–1955)