Author
- Canons Regular of Urgel1
- Cardinal Girolamo Grimaldi1
- Carlo Carafa1
- Carlo de' Medici1
- Carlos José Gutiérrez de los Ríos y Sarmiento1
- Carrillo family1
- Cassius Dio1
- Castello del Vivaro1
- Castino1
- Catalina Díaz Vilchis1
- Catherine of Siena1
- Cattanei family1
- Cavalli1
- Caṇḍeśvara1
- Caṇḍeśvara Ṭhakkura1
- Charles II of England1
- Charles IV1
- Charles IX of France1
- Charles V of France1
- Charles VII of France1