- Catholic Church. Diocese of Toul (France)1
- Catholic Church. Ordo divini officii (Archdiocese of Mainz : Rhineland-Palatinate, Germany)1
- Catholic Church. Pope1
- Catholic authors1
- Cathédrale Saint-Etienne (Toul, France)1
- Catiline, approximately 108 B.C.-62 B.C.2
- Caucasus5
- Causation2
- Cavalcanti, Aldobrandino, 1217-12791
- Caṇḍi (Hindu deity)14
- Cecchi, Giovannino1
- Cecco, Antonio1
- Cecco, Nato di1
- Cecco, d'Ascoli, 1269-13271
- Ceccoli, Baldo1
- Ceccoli, Bartolo1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Celsus, Saint, -681