Gaspare Mattei (1598 - around 1am, 9 April 1650)[1] was an Italian cardinal of the house of Mattei.
- ^ Hierarchia Catholica Medii et Recentioris Aevi, IV, 25, indicates that he died when he was 52 years old, while Cardella, Memorie storiche de' cardinali della Santa Romana Chiesa, VII, 28, says that he died at 63.