Mary Waters may refer to:

Mary Waters, birth name of Mary Honywood (1527–1620), British co-heiress Mary Waters (nurse), nurse in the United States forces during the American Revolutionary War Mary C. Waters (born 1956), American sociologist and author Mary D. Waters (born 1955), Detroit City Council member, and former member of the Michigan House of Representatives Mary Kirtley Waters (born 1958), director of the United Nations Information Centre in Washington, D.C.