| due volte al mese | tweemaal per maand |
| due volte alla settimana | tweemaal per week |
| duecento | tweehonderd |
| duellante | duellist |
| duellare | duelleren |
| duello | duel |
| duemila | tweeduizend |
| Duero | Douro |
| duetto | duet |
| Dueñas | Dueñas |
| Duff Beer | Duff Beer |
| Duff McKagan | Duff McKagan |
| Duffman | Bart Simpson |
| Duggendorf | Duggendorf |
| Duggingen | Duggingen |
| dugongo | doejong |
| Duillier | Duillier |
| Duino-Aurisina | Duino-Aurisina |
| Duisburg | Duisburg |
| Duke Ellington | Duke Ellington |
| Dukla Praga | Dukla Praag |
| DUKW | DUKW |
| dulcamara | bitterzoet |
| Dulcigno | Ulcinj |
| dulcimelo | hakkebord |
| Dulcimer | Hammered dulcimer |
| dulcimero | hakkebord |
| Dulliken | Dulliken |
| Dully | Dully |
| Duluth | Duluth |
| Dum-dum | Dumdumkogel |
| duma | doema |
| Duma di Stato | Staatsdoema |
| Dumas | Alexandre Dumas |
| Dumbo | Dombo |
| Dumfries e Galloway | Dumfries and Galloway |
| Dumortierite | Dumortieriet |
| Dumping | Anti-dumpingrechten |
| Dumuzi | Tammuz |
| Dun Laoghaire-Rathdown | Dun Laoghaire-Rathdown |
| duna | duin |
| Duna del Pyla | Dune du Pyla |
| Dunbartonshire Occidentale | West Dunbartonshire |
| Dunbartonshire Orientale | East Dunbartonshire |
| Duncan | Duncan |
| Duncan I di Scozia | Duncan I van Schotland |
| Dundalk | Dundalk |
| Dundee | Dundee |
| Dune II | Dune II |
| Dunedin | Dunedin |
| Dunga | Dunga |
| Dunhuang | Dunhuang |
| Dunière-sur-Eyrieux | Dunière-sur-Eyrieux |
| Dunkelsteinerwald | Dunkelsteinerwald |
| Dunkerque | Duinkerke |
| Dunkleosteus | Dunkleosteus |
| Dunningen | Dunningen |
| dunque | ach |
| Duns Scoto | Johannes Duns Scotus |
| Dunum | Dunam |
| Dunvallo Molmuzio | Dunvallo Molmutius |
| duo | duet |
| duodecimale | twaalfdelig |
| Duodecimani | Jafari |
| duodenale | van de twaalfvingerige darm |
| duodeno | duodenum |
