- Catholic Church. Diocese of Cortona (Italy)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Catholic Church. Diocese of Toul (France)1
- Catholic authors1
- Cathédrale Saint-Etienne (Toul, France)1
- Cavalcanti, Aldobrandino, 1217-12791
- Cecchi, Giovannino1
- Cecco, Antonio1
- Cecco, Nato di1
- Ceccoli, Baldo1
- Ceccoli, Bartolo1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Censures, Ecclesiastical1
- Certano, Daina di1
- Charles V, Holy Roman Emperor, 1500-15581
- Charles VI, King of France, 1368-14221
- Charles VIII, King of France, 1470-14981
- Chelli, Marco1