| Dulliken | Dulliken |
| Dulo clan | Embouchoir |
| Dulong-Petit law | Loi de Dulong et Petit |
| dulse | dulse |
| Duluth | Duluth |
| duly | ponctuel |
| duma | douma |
| Dumas | Dumas |
| dumb | idiot |
| dumb blonde | blondasse |
| dumb down | vulgariser |
| Dumb Witness | Témoin muet |
| Dumb-founded | Frappé de stupeur |
| Dumbarton Oaks Conference | Conférence de Dumbarton Oaks |
| dumbass | andouille |
| dumbbell | imbécile |
| dumbfound | abasourdir |
| dumbfounded | bouleversé |
| dumbness | mutisme |
| dumfound | abasourdir |
| dumfounded | bouleversé |
| Dumfries | Dumfries |
| Dumfries and Galloway | Dumfries and Galloway |
| Dumitru Prunariu | Dumitru Prunariu |
| dummy | imbécile |
| dummy movement | feinte |
| Dumnonia | Domnonée |
| Dumnonii | Domnonée |
| Dumnorix | Dumnorix |
| dump | se débarrasser de |
| dump truck | camion à benne basculante |
| Dump valve | Soupape de décharge |
| dumper | conteneur |
| dumping | décharge non réglementaire |
| dumpling | boulette de pâte |
| dumpster | conteneur poubelle |
| dumpy | boulot |
| Dun Laoghaire-Rathdown | Dun Laoghaire-Rathdown |
| Duna | Daugava |
| Dunaj | Danube |
| Dunakanyar-Vác FC | Dunakanyar-Vác FC |
| Dunam | Dounam |
| Dunama Dabbalemi | Dounama Dibalami |
| Dunavac | Dunavac |
| Dunaújváros | Dunaújváros |
| Dunbar | Dunbar |
| Dunblane massacre | Massacre de Dunblane |
| Duncan | Duncan |
| Duncan Idaho | Duncan Idaho |
| dunce | cancre |
| dunce cap | bonnet d’âne |
| Dundalk | Dundalk |
| Dundee | Dundee |
| Dundee Island | Île Dundee |
| Dundee United | Dundee United Football Club |
| Dundgovi Province | Dundgovi |
| dune | dune |
| Dune II | Dune II |
| Dune Messiah | Le Messie de Dune |
| Dune universe | Univers de Dune |
| Dunedin | Dunedin |
| Dunfermline | Dunfermline |
| dung | ordures |
| dung beetle | bousier |
| Dung beetles | Geotrupidae |
| Dunga | Dunga |
| Dungan | Dounganes |
| dungaree | jean |
| dungarees | salopette |
| Dungeness Power Station | Centrale nucléaire de Dungeness |
| dungeon | cachot |
| dunghill | fumier |
| Dunharrow | Dunharrow |
| Dunhill | Dunhill |
| Dunhuang | Dunhuang |
| Dunia Ayaso and Félix Sabroso | Dunia Ayaso et Félix Sabroso |
| dunk | tremper |
| Dunkeld | Dunkeld |
| Dunkerque | Dunkerque |
| Dunkirk | Dunkerque |
| Dunkirk evacuation | Bataille de Dunkerque |
| Dunkirk raiders | Corsaire dunkerquois |
| Dunkleosteus | Dunkleosteus |
| Dunland | Pays de Dun |
| Dunlop Tyres | Dunlop |
| Dunn County | Comté de Dunn |
| Dunneza | Beaver |
| Dunning-Kruger effect | Effet Dunning-Kruger |
| Dunningen | Dunningen |
| Dunnottar Castle | Château de Dunnottar |
| Dunny | Latrine à fosse simple |
| Duns Scotus | John Duns Scot |
| Dunsink Observatory | Observatoire Dunsink |
| Dunstan | Dunstan de Cantorbéry |
| Dunstanburgh Castle | Dunstanburgh Castle |
| Dunun | Kenkeni |
| Dunvallo Molmutius | Dunvallo Molmutius |
| Dunărea Galaţi | FCM Dunărea Galaţi |
| duo | duo |
