Mary Merrall (5 Januarie 1890 – 31 Augustus 1973) was 'n Engelse aktrise. Sy was bekend vir haar rolle in die rolprente Dr. O'Dowd (1940), Dead of Night (1945), The Life and Adventures of Nicholas Nickleby (1947), en Badger's Green (1949).
- 1916: Fatal Fingers
- 1920: Squandered Lives
- 1940: Dr. O'Dowd
- 1941: Love on the Dole
- 1945: Dead of Night
- 1945: Pink String and Sealing Wax
- 1947: The Life and Adventures of Nicholas Nickleby
- 1948: The Three Weird Sisters
- 1949: Badger's Green
- 1954: The Green Buddha
- 1966: Who Killed the Cat?
- 1960: Death of a Ghost
- 1964: Beware of the Dog
- 1938: Goodness, How Sad!
- 1939: Lonesome Like
- 1939: Suspect
- 1947: Henry IV
- 1948: Pygmalion
- 1948: An Inspector Calls
- 1948: The Circle
- 1951: A Tomb with a View
- 1951: Goodness, How Sad!
- 1952: The Infinite Shoeblack
- 1953: Count Your Blessings
- 1954: It's Never Too Late
- 1957: The Dragon and the Dove
