| DIODATO | | - | Italian | |
| DIODORE | | - | French | |
| DIODOROS | | - | Ancient Greek | |
| DIODORUS | | - | Ancient Greek (Latinized) | |
| DIODOTOS | | - | Ancient Greek | |
| DIODOTUS | | - | Ancient Greek (Latinized) | |
| DIOGENES | | - | Ancient Greek | |
| DIOGO | | DYAW-goo (Portuguese), JYAW-goo (Brazilian Portuguese) | Portuguese | |
| DIOKLES | | - | Ancient Greek | |
| DIOMEDES | | die-ə-MEE-deez (English) | Greek Mythology | |
| DION | | DEE-ahn (English), dee-AHN (English) | Ancient Greek, English | |
| DIONÍSIO | | dee-oo-NEE-zyoo (Portuguese), jee-oo-NEE-zyoo (Brazilian Portuguese) | Portuguese | |
| DIONÝZ | | - | Slovak | |
| Dione | | [dai'əuni] | | |
| DIONE (1) | | dee-O-nee (English) | Greek Mythology | |