- Cuckoos1
- Cuenca, Alonso Gaytan de1
- Cuenca, Francisco Gaytan de1
- Cuenca, Juan Gaytan de1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Cueva, Andrea della1
- Cur Deus homo (Anselm, Saint, Archbishop of Canterbury)1
- Cyprian War (1570-1571)1
- Cyprus--Paphos (District)1
- Cyropaedia (Xenophon)1
- Cyrus, the Great, King of Persia, -530 B.C. or 529 B.C.1
- Czech Republic--Brno1
- Czech Republic--Roudnice nad Labem1
- Czech Republic--Uherský Brod1
- Czech Republic--Úsov1
- Cáceres Gatica, Alonso de1
- Daffodils1
- Dafrī, ʻUmar ibn ʻUmar, d. 1668. Durrah al-munīfah fī fiqh Abī Ḥanīfah1
- Dakṣiṇakālikā (Hindu deity)1
- Dakṣiṇāmūrtistotra (Śaṅkarācārya)1