Author
- Confraternity of St. Silvester (Zadar, Croatia)1
- Conrad Bote1
- Constantine the African1
- Conte Gabuzzi1
- Continuator of Martin of Troppau1
- Convento de São Domingos de Benfica1
- Cornelius Nepos1
- Cosimo Bartoli1
- Council of Basel1
- Cudamani1
- Cyprian1
- Cyprián Karásek Lvovický1
- Cyriacus, Bishop of al-Bahnasā1
- Cyril of Jerusalem1
- D. Gomez Davila, Marques de Velada1
- Daffyd ap Philip1
- Daivajña1
- Damasus I1
- Damāmīnī, Muḥammad ibn Abī Bakr, 1361 or 1362-1424?1
- Daniel Terni1