| Diogenes | | - | Ancient Greek | |
| Diokles | | - | Ancient Greek | |
| Dion | | DEE-ahn (English), dee-AHN (English) | Ancient Greek, English | |
| Dione (2) | | dee-AHN | English | |
| Dionisia | | - | Medieval English | |
| Dionne | | dee-AHN | English | |
| Dionysios | | - | Greek, Ancient Greek | |
| Dionysius | | - | Ancient Greek (Latinized), Biblical | |
| Dionysodoros | | - | Ancient Greek | |
| Diot | | - | Medieval English | |
| Dip | | - | Indian, Hindi, Marathi, Gujarati, Bengali, Punjabi | |
| Dipa | | - | Indian, Hindi, Marathi, Punjabi, Bengali, Malayalam, Tamil | |
| Dipak | | - | Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi, Malayalam, Kannada, Tamil, Telugu, Nepali | |
| Dirk | | DIRK (Dutch), DEERK (German), DURK (English) | Dutch, German, English | |
| Dismas | | - | Judeo-Christian Legend | |