Mary Bradley may refer to:
Mary Bradley (politician) (1942–2025), member of the Northern Ireland Assembly Mary Hastings Bradley (1882–1976), traveler and author Mary Forrest Bradley (1869–1965), American historian and socialite Mary Jones Bradley (1920–2010), American heiress, racehorse owner and breeder
See also Mary E. Bradley Lane (1844–1930), American feminist science fiction teacher and author