Ralph Nelson (12 Augustus 1916 – 21 Desember 1987) was 'n Amerikaanse regisseur, vervaardiger, en akteur. Hy was bekend vir sy rolle in die rolprente Requiem for a Heavyweight (1962), Lilies of the Field (1963), Once a Thief (1965), en Charly (1968). 1962: Requiem for a Heavyweight 1963: Lilies of the Field 1963: Soldier in the Rain 1964: Fate Is the Hunter 1964: Father Goose 1965: Once a Thief 1966: Duel at Diablo 1968: Charly 1968: Counterpoint 1970: ...tick... tick... tick... 1970: Soldier Blue 1971: Flight of the Doves 1972: The Wrath of God 1975: The Wilby Conspiracy 1976: Embryo 1978: A Hero Ainot Nothin' But a Sandwich 1957: Blood Money 1965: The Man Who Bought Paradise 1978: Because He's My Friend 1978: Lady of the House 1979: Christmas Lilies of the Field 1979: You Canot Go Home Again Ralph Nelson in die Internet-rolprentdatabasis