Author
- Conrad of Saxony1
- Conte Gabuzzi1
- Continuator of Martin of Troppau1
- Council of Basel1
- Cudamani1
- Cyprian1
- Cyriacus, Bishop of al-Bahnasā1
- Cyrillus de Quidenon1
- Daffyd ap Philip1
- Daivajña1
- Damasus I1
- Damāmīnī, Muḥammad ibn Abī Bakr, 1361 or 1362-1424?1
- Daniel Terni1
- Daniele Barbaro1
- Darmeśvara (Son of Harihara)1
- Dattātreya (Hindu deity)1
- David Abudirham1
- David Ben Hassin1
- David HaNagid1
- David ben Amram Adani1