Ernesto Rodolfo Hintze Ribeiro (Ponta Delgada, Azores Islands, November 7, 1849 – Lisbon, August 1, 1907) was a Portuguese politician, statesman, and peer, who served as Prime Minister of Portugal three times, during King Carlos I's reign.
A member of the Regenerator Party, Hintze Ribeiro's reforms in forestry, pharmacy, and autonomy for insular Portugal are the basis of these fields' policies today.