Name
- Charles III, of Spain, 1716-17881
- Charles Louis, Elector Palatine of the Rhine, 1617-16801
- Christina, of Sweden1
- Cibo, Nicolò, Archbishop of Arles1
- Clement X, Pope1
- Clement XI, Pope1
- Clovio, Giulio Giorgio, illuminator and painter, 1498-15781
- Colloredo, Rudolf Joseph, Count, Imperial Vice-Chancellor1
- Collotes de Jantillet, Alexius1
- Commonwealth, England1
- Conejero, Miguel, of Marchena1
- Conti, Giovanni Nicolo, Cardinal, Bishop of Ancona1
- Cordeses, Antonio, Padre, Jesuit1
- Cortes, Antonio1
- Cous y Solarses, Sebastiao1
- Coutinho, Gastao, Alcayde mór of Torres Vedras1
- Coutinho, Joze Luis, Chief Judge at Goa1
- Crato, Antonio, Grand Prior of, self-styled King of Portugal1
- Cromwell, Oliver, Lord Protector of England, Scotland and Ireland, 1599-1658, http://isni.org/isni/000000...1
- Cunha d'Ataide, Francisco Luis da1