Mary Caldwell
# Mary Caldwell

Mary Caldwell may refer to:

* Mary Letitia Caldwell, American chemist
* Mary Gwendolin Caldwell, Marquise des Monstiers-Mérinville, American philanthropist and socialite
* Mary Tourtel, née Caldwell, British artist and creator of the comic strip Rupert Bear
* Mary Hay (actress), born Mary Hay Caldwell, American dancer and actress
