| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| DagnÝ | - | Ancient Scandinavian, Icelandic | ||
| Dagr | - | Ancient Scandinavian | ||
| DagrÚN | - | Ancient Scandinavian, Icelandic | ||
| Damianos | - | Ancient Greek | ||
| Damianus | - | Ancient Greek (Latinized) | ||
| Danr | - | Ancient Scandinavian | ||
| Darayavahush | - | Ancient Persian | ||
| Dareios | - | Ancient Greek, Biblical Greek | ||
| Decima | DEK-i-ma | Ancient Roman | ||
| Decimus | DE-ki-muws | Ancient Roman | ||
| Demetria | - | Ancient Greek, English | ||
| Demetrios | - | Greek, Ancient Greek | ||
| Demetrius | - | Ancient Greek (Latinized) | ||
| Democritus | - | Ancient Greek (Latinized) | ||
| Demokritos | - | Ancient Greek |