- Castile (Kingdom). Cortes1
- Catedral de Zamora1
- Catholic Church21
- Catholic Church. Archdiocese of Guatemala (Guatemala)1
- Catholic Church. Archdiocese of Mexico City (Mexico)1
- Catholic Church. Archdiocese of Oaxaca (Mexico)1
- Catholic Church. Pope1
- Catholics1
- Caucasus2
- Cavallero, Diego1
- Certificates2
- Certosa del Galluzzo (Florence, Italy)1
- Cervantes, Juan de1
- Chamberlain, Walter, active 16th century1
- Character1
- Charitable uses, trusts, and foundations1
- Charles II, King of Spain, 1661-17001
- Charles V, Holy Roman Emperor, 1500-15581
- Charles VI, King of France, 1368-14221
- Charles VII, King of France, 1403-14611