Mary Wimbush (19 March 1924 – 31 October 2005) was an English actress whose career spanned 60 years.
Active across film, television, theatre and radio, she was nominated for the BAFTA Award for Best Supporting Actress for the 1969 film Oh! What a Lovely War.
Her television credits included Poldark (1975–77), Jeeves and Wooster (1990–92), and Century Falls (1993).
She was perhaps best known for her role as Julia Pargetter in BBC Radio 4's popular soap opera The Archers, a part she played from 1992 until her death.