Gedeon is a name, derived from the prophet Gideon in the Hebrew bible's Book of Judges. It is the surname of:
Louis Gedeon (1877–1950), U.S. Army sergeant
Joe Gedeon (1893–1941), American baseball player
Veronica Gedeon (1917–37), American model
Elmer Gedeon (1917–44), American track-and field athlete, baseball player and World War II bomber pilot.
Wolfgang Gedeon (born 1947), German conspiracy theorist and politician.
Erik Gedeon (born 1963), Swiss composer
Saša Gedeon (born 1970), Czech film director.
Patrik Gedeon (born 1975), Czech national team football player.
Ghassan Gedeon-Achi (born 1993), Lebanese–Canadian alpine skier
Jean Gedeon, American ballerina, ballet teacher and artistic director