| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Democritus | - | Ancient Greek (Latinized) | ||
| Demokritos | - | Ancient Greek | ||
| Demon | - | Ancient Greek | ||
| Demosthenes | - | Ancient Greek | ||
| Demostrate | - | Ancient Greek | ||
| Diocles | - | Ancient Greek (Latinized) | ||
| Diocletianus | - | Ancient Roman | ||
| Diodoros | - | Ancient Greek | ||
| Diodorus | - | Ancient Greek (Latinized) | ||
| Diodotos | - | Ancient Greek | ||
| Diodotus | - | Ancient Greek (Latinized) | ||
| Diogenes | - | Ancient Greek | ||
| Diokles | - | Ancient Greek | ||
| Dion | DEE-ahn (English), dee-AHN (English) | Ancient Greek, English | ||
| Dionysios | - | Greek, Ancient Greek |