| Diocles | | - | Ancient Greek (Latinized) | |
| Diocletianus | | - | Ancient Roman | |
| Diodore | | - | French | |
| 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 | |
| Dionysius | | - | Ancient Greek (Latinized), Biblical | |
| Dionysodoros | | - | Ancient Greek | |
| Dirk | | DIRK (Dutch), DEERK (German), DURK (English) | Dutch, German, English | |
| Dismas | | - | Judeo-Christian Legend | |