Renato Raffaele Martino (born 23 November 1932) is an Italian Cardinal Deacon and President of the Pontifical Council for Justice and Peace. He is notable for representing the Holy See in the United Nations.

Born in Salerno, Martino was ordained as a priest in 1957. He holds a doctorate in Canon law and is fluent in Italian, English, French, Spanish, and Portuguese.

After finishing his studies, Martino entered the Vatican's diplomatic service in 1962, serving in Nicaragua, the Philippines, Lebanon, Canada, and Brazil.