George Talbot Rice, 3rd Baron Dynevor (Dinefwr) (8 October 1765 – 9 April 1852) was a British peer and politician. He was the son of Cecil de Cardonnel, 2nd Baroness Dynevor and George Rice (or Rhys). He was educated at Westminster School and matriculated at Christ Church, Oxford on 1 February 1783, where he was awarded a Master of Arts degree on 30 May 1786. Talbot Rice was the Tory Member of Parliament for Carmarthenshire from 1790 to 1793. His father had previously been the Tory MP for Carmarthenshire between 1754 and 1779.