Mary Ann Yates (1728–1787) was an English tragic actress.
The daughter of William Graham, a ship's steward and his wife, Mary, she married Richard Yates (c. 1706-1796), a well-known comedian of the time.
[1] In 1754, aged 25, she appeared at Drury Lane as Marcia in Samuel Crisp's Virginia.
She was in turn succeeded and eclipsed by the famous Sarah Siddons.
[1] There were benefit performances for Yates in 1797 at The Haymarket which included an appearance by Harriett Litchfield.