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).He is the father of former Civil Service Commission Chairperson Karina Constantino-David and father-in-law of University of the Philippines Diliman sociology professor emeritus Randy David.