Name
- Cajeta, Muzio di, Patriarch of Jerusalem, Archbishop of Bari1
- Calcagnini, Carlo1
- Calvi, Alessandro de', Bishop of San Severino1
- Capece, Vincenzo, Archbishop of Chieti1
- Caracciolo, Innico, Cardinal, Bishop of Aversa1
- Caracciolo, Nicolò, Cardinal1
- Carafa, Pier Luigi III., Cardinal, Archbishop of Larissa, Governor of Ancona1
- Carpegna, Gaspare, Cardinal 16701
- Caserotti, Francesco Angelo, Abbate1
- Casini, Francesco Maria, Cardinal di Santa Prisca1
- Cavagnari, Giovanni Domenico, Bishop of Sagona1
- Cavalieri, Bernardo de', Bishop of San Marco1
- Cavalieri, Gaetano de'1
- Cavalieri, Silvio de', Secretary of the Propaganda at Rome1
- Cenci, Baldassare, Cardinal1
- Cenci, Serafino, Cardinal1
- Cibo, Camillo, Patriarch of Constantinople, afterwards Cardinal1
- Cigala, Cesare1
- Cigala, Nicolo, Bishop of Tenos and Micone1
- Clement XII, Pope1