| dulcet | melodioso |
| dulcimer | dulcémele |
| dull | muerto |
| Dullahan | Dullahan |
| dullard | estúpido |
| dullness | estupidez |
| Dulong-Petit law | Ley de Dulong-Petit |
| Duluth | Duluth |
| duly | debidamente |
| duma | duma |
| Dumaguete City | Dumaguete |
| Dumas | Alexandre Dumas |
| dumb | estúpido |
| dumb blonde | rubio mudo |
| Dumb Witness | El testigo mudo |
| Dumbarton Oaks Conference | Conferencia Dumbarton Oaks |
| dumbass | torpe |
| dumbbell | estúpido |
| Dumbbell Nebula | Nebulosa Dumbbell |
| dumbfound | pasmar |
| dumbfounded | aturdido |
| dumbness | mudez |
| dumbwaiter | montaplatos |
| dumfound | pasmar |
| dumfounded | aturdido |
| dummy | muerto |
| Dummy move | Deshecha |
| dummy movement | estratagema |
| Dummy run | Ensayo |
| dump | vertedero |
| dumping | descarga |
| dumpling | albóndiga |
| dumplings | albondiga |
| dumpy | regordete |
| Dun Laoghaire-Rathdown | Dun Laoghaire-Rathdown |
| Duna | Daugava |
| Dunaj | Danubio |
| Dunajská Streda | Distrito de Dunajská Streda |
| Dunajská Streda District | Distrito de Dunajská Streda |
| Dunam | Dunam |
| Dunash ben Labrat | Dunash ben Labrat |
| Dunbar | Dunbar |
| Duncan class battleship | Clase Duncan |
| Duncan I of Scotland | Duncan I de Escocia |
| Duncan Idaho | Duncan Idaho |
| Duncan II of Scotland | Duncan II de Escocia |
| Dundalk | Dundalk |
| Dundee | Dundee |
| Dundee Island | Isla Dundee |
| Dundee United | Dundee United Football Club |
| Dundgovi Province | Dundgovi |
| Dundrum Castle | Castillo de Dundrum |
| dune | duna |
| Dune Messiah | El Mesías de Dune |
| Dune universe | Dune |
| Dunedin | Dunedin |
| Dunfermline | Dunfermline |
| dung | excremento |
| dung beetle | escarabajo pelotero |
| Dung beetles | Geotrupidae |
| dung heap | estercolero |
| Dunga | Dunga |
| Dungan | Hui |
| dungaree | dril |
| dungarees | mono |
| dungeon | mazmorra |
| Dungeon crawl | Dungeon crawl |
| Dunggir National Park | Parque Nacional Dunggir |
| dunghill | estercolero |
| Dunia Ayaso and Félix Sabroso | Dunia Ayaso y Félix Sabroso |
| dunk | mojar |
| Dunkerque | Dunkerque |
