Ruth McDevitt (13 September 1895 – 27 Mei 1976) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente The Parent Trap (1961), The Birds (1963), en Dear Heart (1964), en in die televisiereeks Kolchak: The Night Stalker (1974).
- 1961: The Parent Trap
- 1963: The Birds
- 1964: Dear Heart
- 1967: The Far Out West
- 1974: Homebodies
- 1948: The Ford Theatre Hour
- 1949: A Woman to Remember
- 1966: Pistols 'n' Petticoats
- 1969: Bright Promise
- 1971: The New Andy Griffith Show
- 1974: Kolchak: The Night Stalker
- 1960: Ben Blue's Brothers
- 1971: In Search of America
