David Mann may refer to:
Entertainment David Mann (actor) (born 1966), American stage actor David Mann (artist) (1940–2004), American artist of the custom motorcycle subculture David Mann (songwriter) (1916–2002), American writer of popular songs David Mann (Duel), a character from the movie Duel, a film directed by Steven Spielberg
Politics and government David E. Mann (1924–2018), U.S. Assistant Secretary of the Navy (Research, Engineering and Systems), 1977 to 1981 David S. Mann (born 1939), Mayor of Cincinnati, Ohio and U.S. Representative
Sports Dave Mann (archer) (born 1957), Canadian archer David Mann (cyclist) (born 1962), British racing cyclist Dave Mann (gridiron football) (1932–2012), NFL player from 1955 to 1957, CFL player 1958 and from 1960 to 1970