Mary Cooper
Mary Cooper may refer to:
- Mary Cooper (publisher) (died 1761), English publisher and bookseller
 - Mary Little Cooper (born 1946), U.S. federal judge
 - Mary-Charlotte Cooper, bassist and vocalist for The Subways
 
Characters
- Mary Cooper (The Big Bang Theory), a character in The Big Bang Theory and Young Sheldon
 - Mary Cooper (Torchwood), a recurring character in Torchwood
 - Mary Cooper, a character in Harlots