Pope Pius IV, born Giovanni Angelo Medici, was head of the Catholic Church and ruler of the Papal States from 25 December 1559 to his death, in December 1565.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- Pope, Camerlengo of the Sacred College of Cardinals, cardinal, Catholic archbishop
- Citizenship
- Papal States
- Born
- March 31, 1499
- Died
- December 9, 1565