| N A M E | O R I G I N | M E A N I N G |
| Dothan | Hebrew | Variant of Dotan: Law. |
| Doug | Celtic/Gaelic | From the name DOUGLAS |
| Dougal | Celtic/Gaelic | Dark stranger |
| Dougald | Scottish | Variant of Dougal: Dark-skinned stranger. |
| Dougall | Scottish | Variant of Dougal: Dark-skinned stranger. |
| Dougan | Irish | Variant of Dugan: Swarthy. |
| Douggan | Irish | Variant of Dugan: Swarthy. |
| Doughal | Celtic | Dark stranger. |
| Doughall | Scottish | Black stranger. |
| Dougherty | Irish | Variant of Doherty: Wicked. |
| Doughlas | Celtic | Dwells by the dark stream. |
| Douglas | Scottish | from the dark water |
| Douglass | Celtic/Gaelic | From the name DOUGLAS |
| Doune | English | From the down hill. |
| Dour | Scottish | From the water. |
| Dov | Hebrew | bear |
| Dover | Old English | water |
| Dovev | Hebrew | Speaks in a whisper. |
| Dovidas | Lithuanian | Friend. |
| Dow | Irish | Dark-haired. |
| Dowan | Irish | Black. |
| Dowle | Irish | Dark stranger. |
| Doy | Celtic | Dark stranger. |
| Doyle | Gaelic | dark stranger |
| Draca | English | Dragon. |
| Draco | Italian | Dragon |
| Dracon | English | Modern variant of Drake 'dragon.'. |
| Drago | Italian | Dragon |
| Dragon | American | Fire-breathing creature |
| Drake | Old English, Latin | ale duck, dragon |
