Mary Baldwin may refer to:
Mary-Ann Baldwin (born 1956/1957), American marketing executive and politician Mary Briscoe Baldwin (1811–1877), American missionary educator Mary Julia Baldwin (1829–1897), American educator after whom Mary Baldwin University is named Mary Wilson, Baroness Wilson of Rievaulx (née Baldwin, 1916–2018), English poet and the wife of Harold Wilson Mary Baldwin Hyde (1867–1938), American wife of Sidney Dillon Ripley I Mary Baldwin University, American private women's university