Giovanni Castiglione
Giovanni Castiglione is the name of the following people:
- Giovanni Castiglione (clergyman, † 1456) , Italian clergyman, bishop of Penna and Atri
- Giovanni Castiglione (Cardinal, 1420) (1420–1460), Italian clergyman, Bishop of Pavia
- Giovanni Castiglione (Cardinal, 1742) (1742–1815), Italian clergyman, Bishop of Osimo
- Giovanni Benedetto Castiglione (1609–1664), Italian painter
- Giovanni Francesco Castiglione (1641–1710), Italian painter