| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Eberhard | E-ber-hahrt (German) | German, Ancient Germanic | ||
| Eburwin | - | Ancient Germanic | ||
| Egilhard | - | Ancient Germanic | ||
| Egino | - | Ancient Germanic | ||
| Eirenaios | - | Ancient Greek | ||
| Eirene | - | Greek Mythology, Ancient Greek | ||
| Ekkebert | - | Ancient Germanic |