| N A M E | O R I G I N | M E A N I N G |
| Dubv | Celtic | Dark faced. |
| Duc | Vietnamese | Moral, Good |
| Duck-hwan | Korean | Integrity returns. |
| Duck-young | Korean | Integrity lasts. |
| Dud | English | Diminutive of Dudley: From the people's meadow. From a surname and place name derived from the Old English, meaning 'Dudda's clearing'. Famous bearer: Actor Dudley Moore. |
| Dudek | Czechoslovakian | Bagpiper. |
| Dudley | Old English | people's meadow |
| Dudly | English | Variant of Dudley: Gathering field; meeting field. |
| Duer | Celtic/Gaelic | Heroic |
| Duff | Celtic | dark faced, baker |
| Duffey | Celtic | Variant of Duff: Dark-skinned. |
| Duffy | Celtic | Variant of Duff: Dark-skinned. |
| Dugal | Scottish | Variant of Dougal: Dark-skinned stranger. |
| Dugald | Gaelic | Dark stranger. |
| Dugall | Scottish | Variant of Dougal: Dark-skinned stranger. |
| Dugan | English | to be worthy |
| Duggan | Irish | Variant of Dugan: Swarthy. |
| Dughall | Celtic | Dark stranger. |
| Dughlas | Irish | Variant of Dubhglas: Black and gray. |
| Duglas | Gaelic | dark stranger |
| Duhkha | Indian | Sorrowful. |
| Duka | African | All |
| Duke | Latin | leader |
| Dukker | Gypsy | Fortune-teller. |
| Dulani | African | Malawian name meaning 'cutting'. |
| Dumaka | African | Nigerian name meaning 'help out'. |
| Duman | Turkish | Smoky. |
| Dume | African | The Bull |
| Dumin | Czech | Lord. |
| Dumont | French | Of the mountain. |
