- Confraternitate Sancta Maria Rotunda (Confraternity : Milan, Italy)1
- Confraternities (Canon law)1
- Congregazione di San Giorgio in Alga (Venice, Italy)1
- Congregação di San João Evangelista (Portugal)1
- Conquest of Peru (Peru : 1522-1548)1
- Consanguinity (Canon law)1
- Constantine XI Palaeologus, Emperor of the East, 1405-14531
- Construction industry1
- Contracts (Jewish law)1
- Contubernium rosae1
- Convento de la Concepción (Granada, Spain)1
- Conveyancing1
- Cooking, English1
- Coplas1
- Coptic Church1
- Cornelio, Giovanni1
- Corsini, Bartolomeo1
- Cortesi, Girolamo1
- Costa, Gaspar, active 1533-15341
- Costapellegrina, Giovan Andrea1