| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Diodotus | - | Ancient Greek (Latinized) | ||
| Diogenes | - | Ancient Greek | ||
| Diokles | - | Ancient Greek | ||
| Dion | DEE-ahn (English), dee-AHN (English) | Ancient Greek, English | ||
| Dionysios | - | Greek, Ancient Greek | ||
| Dionysius | - | Ancient Greek (Latinized), Biblical | ||
| Dionysodoros | - | Ancient Greek | ||
| Doris | DAWR-is (English), DO-ris (German) | English, German, Croatian, Ancient Greek, Greek Mythology | ||
| Draco | - | Ancient Greek (Latinized) | ||
| Drakon | - | Ancient Greek |