Mona Washbourne (November 27, 1903 - November 15, 1988) was a British film and stage actress.
Washbourne began her entertaining career training as a concert pianist. While performing on stage in the early 1920s, she found that she liked acting and began a long career as a character actor.
In 1948, with numerous stage musical performances, Washbourne began appearing in films. Some of the actresses notable films include Billy Liar (1963) and The Collector (1965). She also played Henry Higgins's prim housekeeper Mrs. Pearce in 1964's My Fair Lady, starring Rex Harrison, Audrey Hepburn and Gladys Cooper.