| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Crescentius | - | Late Roman | ||
| Cyriaca | - | Late Roman | ||
| Cyriacus | - | Late Roman | ||
| Delphina | - | Late Roman | ||
| Delphinus | - | Late Roman | ||
| Deodatus | - | Late Roman | ||
| Desiderata | - | Late Roman | ||
| Desideratus | - | Late Roman | ||
| Desideria | - | Italian, Spanish, Late Roman | ||
| Desiderius | - | Late Roman | ||
| Deusdedit | - | Late Roman | ||
| Dionysia | - | Late Roman | ||
| Dominica | - | English (Rare), Late Roman | ||
| Dominicus | do-MEE-nee-kus (Dutch) | Late Roman, Dutch | ||
| Donata | do-NAH-tah (Italian) | Italian, Late Roman |