- Catholic Church. Archdiocese of Florence (Italy)1
- Catholic Church. Archdiocese of Guatemala (Guatemala)1
- Catholic Church. Archdiocese of Mexico City (Mexico)1
- Catholic Church. Archdiocese of Oaxaca (Mexico)1
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Cavalcanti, Aldobrandino, 1217-12791
- Cecchi, Giovannino1
- Cecco, Antonio1
- Cecco, Nato di1
- Cecco, d'Ascoli, 1269-13271
- Ceccoli, Baldo1
- Ceccoli, Bartolo1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Certano, Daina di1
- Charitable uses, trusts, and foundations1
- Charity laws and legislation1
- Charles IX, King of France, 1550-15741
- Charles V, Holy Roman Emperor, 1500-15581