| Crystal | Woman | Latin Names |
| Cunobeline | Man | Latin Names |
| Curt | Man | Latin Names |
| Curtis | Man | Latin Names |
| Cyprian | Man | Latin Names |
| Cypriana | Woman | Latin Names |
| Dacia | Woman | Latin Names |
| Dacian | Man | Latin Names |
| Dahlia | Woman | Latin Names |
| Daniella | Woman | Latin Names |
| Dante | Man | Latin Names |
| Dea | Woman | Latin Names |
| Deanna | Woman | Latin Names |
| Decima | Woman | Latin Names |
| Desiderata | Woman | Latin Names |
| Desideria | Woman | Latin Names |
| Desiderius | Man | Latin Names |
| Deus | Man | Latin Names |
| Diara | Unisex | Latin Names |
| Diella | Woman | Latin Names |