Name
- Brandão, Antonio, Archbishop of Goa1
- Buoncompagno, Filippo, Cardinal, Secretary of Gregory XIII1
- Buzardo, Georgio, Papal nuncio1
- Caceres, Francisco, conquistador, 1539-15891
- Cadaval1
- Cantalicio, Felix1
- Carafa, Pier Luigi, Bishop of Tricarico, Cardinal 16451
- Carbone, Ludovico, humanist scholar, 1430-14851
- Cardoso de Sequeira, Martin1
- Carvalho de Parada, Antonio, Prior of Bucellas in Portugal1
- Castello Branco, Pedro, Conde de Pombeiro, Captain of the Royal Guard1
- Castro y Quinnones, Pedro Baza, Archbishop of Granada1
- Castro, Diogo Ataide, Conde1
- Castro, Francisco, Bishop of Guarda, Inquisitor-General of Portugal1
- Catherine of Portugal, wife of John, 6th Duke of Braganza, 1540-16141
- Catherine of Siena, Saint1
- Charles Emmanuel II, of Savoy1
- Charles II, King of England, Scotland and Ireland, 1630-16851
- Charles II, of Spain, 1661-17001
- Charles III, of Spain, 1716-17881