Alexander Rumyantsev or Aleksander Rumyantsev may refer to:
Alexander Rumyantsev (nobleman) (1677–1749), Russian nobleman and assistant of Peter the Great Alexander Rumyantsev (minister) (born 1945), Russian minister Alexander Rumyantsev (politician) (born 1947), Russian politician Alexander Rumyantsev (speed skater) (born 1986), Russian speed skater