Mannon may refer to:
Mannon, Illinois, unincorporated community Cliff Mannon (born 1970), American handball goalkeeper and Olympian James Mannon (born 1942), American professor of sociology Wilson Mannon (1928–1992), American murder victim; see Murder of Wilson Mannon Ezra, Christine, Lavinia and Orin Mannon, characters in Eugene O'Neil's 1931 play Mourning Becomes Electra
See also Manon (disambiguation) Mannan (disambiguation) Mannen, a Norwegian mountain Mannone