- Cuenca, Alonso Gaytan de1
- Cuenca, Francisco Gaytan de1
- Cuenca, Juan Gaytan de1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Cynics (Greek philosophy)1
- Cyprian War (1570-1571)1
- Cyprus--Paphos (District)1
- Czech Republic1
- Czech Republic--Brno1
- Cáceres Gatica, Alonso de1
- Dal Borgo family1
- Damanhūrī, Aḥmad ibn ʻAbd al-Munʻim1
- Danii︠a︡l-sultan1
- Dante Alighieri, 1265-13211
- Dati, Agostino, 1420-14781
- Dati, Jacopo1
- Dati, Niccolò, 1458-1500 or 15011
- Davanzati, Niccolò1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 15131
- Dayrūṭī, Muḥammad ibn Aḥmad, -1515 or 1516. Dimyāṭīyah1