Richard Derr (15 Junie 1918 – 8 Mei 1992) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente When Worlds Collide (1951), Terror Is a Man (1959), en Firefox (1982), en in die televisiereeks Star Trek (1966).
- 1941: Man at Large
- 1942: Castle in the Desert
- 1950: Guilty of Treason
- 1951: When Worlds Collide
- 1952: Something to Live For
- 1958: Invisible Avenger
- 1959: Terror Is a Man
- 1982: Firefox
- 1946: Lights Out
- 1966: Star Trek
- 1952: Our Sister Emily
- 1952: The Big Build Up
- 1956: Plain and Fancy
- 1959: Children of Strangers