The Vatican Hill (in Latin, Vaticanus Mons) is the name given, long before the founding of Christianity, to one of the hills on the side of the Tiber opposite the traditional seven hills of Rome. It may have been the site of an Etruscan town called Vaticum. The Vatican Hill is not one of the famous seven hills of Rome.

It has for some centuries been the location of the headquarters of the Holy See and, since 1929, that of the State of the Vatican City.