Renato Constantino (March 10, 1919 – September 15, 1999) was a Filipino historian known for being part of the leftist tradition of Philippine historiography. Apart from being a historian, Constantino was also engaged in foreign service, working for the Philippine Mission to the United Nations and the Department of Foreign Affairs. For his academic contributions to the fight against the Marcos dictatorship, his name is inscribed on the Wall of Remembrance at the Philippines' Bantayog ng mga Bayani (Monument of Heroes).