Mary Parker may refer to:
People
Mary Parker (American actress) (1918–1998), American stage, television and screen actress/performer
Mary Parker (UK-Australian actress) (born 1930), English (later Australian) actress and news reporter; first woman to appear on Melbourne television
Mary Parker, governess of Erasmus Darwin
Mary Parker, Jr. (1774–1859), daughter of Erasmus Darwin, born of an extra-marital affair
Mary Elizabeth Parker, American poet
Mary Evelyn Parker (born 1920), former Democratic state treasurer of Louisiana
Mary-Louise Parker (born 1964), American actress
Mary Parker Follett (1868–1933), American social worker and management consultant
Mary Parker Lewis, political consultant who served as Chief of Staff to Alan Keyes, candidate for President of the United States
Mary Parker (died 1692), executed for witchcraft in the Salem witch trials
Fictional characters
Richard and Mary Parker, comic book characters (parents of Spider-Man)
Mary Jane Watson-Parker, comic book characters (one-time wife of Spider-Man)