Frank Ferguson (born December 25, 1899 in Ferndale, California; died September 12, 1978 in Los Angeles, California) was an American character actor with hundreds of appearances in both film and television.

He played three different characters on The Andy Griffith Show, two different characters on Petticoat Junction, four different characters on Bonanza, four different characters on Perry Mason, and four different characters on Maverick.

He also played the role of Eli Carson in the primetime serial Peyton Place and reprised the role in the later daytime version Return to Peyton Place.

American character actor who appeared in scores of films and television shows, often as self-important types. Prior to his film debut, he was a prominent performer and director with the acclaimed Pasadena Community Playhouse, where he coached numerous up-and-coming young actors such as Dana Andrews (I), George Reeves (I), Robert Preston (I) and Victor Mature. He broke into films, himself, in the early Forties, usually playing minor supporting roles, though he was seen to advantage in larger roles, notably in two of the best-known (and oddest) Westerns of the Fifties, Rancho Notorious (1952) and Johnny Guitar (1954). He played hundreds of ranchers, bankers and police detectives in films and television throughout the Fifties and Sixties. He became most familiar as "Gus" on the children's program "My Friend Flicka" (1956) and later as "Eli Carson" on the two TV series based on the novel "Peyton Place" (1964) He semi-retired in 1972 and died of cancer six years later.