Mary is a given name that can refer to:
- Mary, mother of Jesus
- Mary I, Queen of England
- Mary II, the Queen of England in the 1600s
- Mary Lou, no-maj extremist.
- Mary Buchanan, mother of famous squib.
- Mary Cattermole, a Muggle-born and wife of Reginald Cattermole
- Mary Dorkins, a Muggle television reporter
- Mary Doyle, a student at Hogwarts in the 1990s
- Mary Macdonald, a Gryffindor student at Hogwarts in the 1970s
- Mary Riddle, the mother of Tom Riddle Sr
Behind the scenes
Real-world individuals with the given name Mary include: