Mary Porter

Mary Porter may refer to:

• Mary Bea Porter (born 1949), American golfer
• Mary Porter (actress) (died 1765), English actress
• Mary Porter (politician) (born 1942), Australian politician
• Mary Winearls Porter (1886–1980), English geologist
• Mary G. Porter (1884–1972), American social worker
• Mary Porter, a character from The Vampire Diaries