John Harmon (30 Junie 1905 – 6 Augustus 1985) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente A Slight Case of Murder (1938), King of the Underworld (1939), en The Monster of Piedras Blancas (1959), en in die televisiereeks Star Trek (1966). 1938: A Slight Case of Murder 1939: King of the Underworld 1942: I Was Framed 1949: Alias the Champ 1953: Run for the Hills 1959: The Monster of Piedras Blancas 1961: The 7th Commandment 1966: The Street Is My Beat 1977: Hitch Hike to Hell 1947: Public Prosecutor 1954: Public Defender 1959: Johnny Ringo 1961: Whispering Smith 1966: Star Trek 1968: Lassie: The Adventures of Neeka John Harmon in die Internet-rolprentdatabasis