- Carnesecchi, Amerigo1
- Caro, Ana1
- Caroline minuscule2
- Carrillo family1
- Carrillo, Pedro, -approximately 1436--Family1
- Carthusians5
- Castile (Kingdom). Cortes1
- Castilla y León (Spain). Cortes2
- Cathedrals1
- Catherine, of Alexandria, Saint3
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church106
- Catholic Church. Archdiocese of Salzburg (Austria)1
- Catholic Church. Archdiocese of Siena (Italy)3
- Catholic Church. Curia Romana1
- Catholic Church. Diocese of Cortona (Italy)1
- Catholic Church. Diocese of Pistoia (Italy)1
- Catholic Church. Diocese of Sigüenza-Guadalajara (Spain)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Catiline, approximately 108 B.C.-62 B.C.1