Mary Baldwin

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