Orazio Mattei
Orazio Mattei is the name of the following people:
- Orazio Mattei (Bishop) (1574–1622), Bishop of Gerace and Nuncio in Venice
- Orazio Mattei (Cardinal) (1621–1688), Italian Cardinal
- Orazio Mattei (Archbishop) (1724 – after 1787), Titular Archbishop of Colossae
