Giovanni Colombo (6 December 1902 – 20 May 1992), honorary citizen of Monte San Savino, was an Italian Cardinal of the Roman Catholic Church. He served as Archbishop of Milan from 1963 to 1979, and was elevated to the cardinalate in 1965.

Sitting on the Conciliar preparatory commissions for seminaries and universities, Colombo attended the Second Vatican Council (1962–1965), during the course of which he was named by Pope Paul VI his successor as Archbishop of Milan on 10 August 1963. Along with Bernardus Johannes Alfrink, he assisted Achille Liénart in delivering one of the closing messages of the Council on 8 December 1965.^[1]

Colombo died in Milan, at age 89. He is buried under the pavement of the right side nave in front of the altar of the Milan Cathedral that contains the remains of Blessed Cardinal Schuster.