| Dynastie Tang | Tang Dynasty |
| Dynastie Taungû | Toungoo Dynasty |
| Dynastie théodosienne | Theodosian dynasty |
| Dynastie Wei du Nord | Northern Wei |
| Dynastie Xia | Xia Dynasty |
| Dynastie Xin | Xin Dynasty |
| Dynastie Yuan | Yuan Dynasty |
| Dynastie Zand | Zand dynasty |
| Dynastie Zhou | Zhou Dynasty |
| Dynastie Zhou du Nord | Northern Zhou |
| Dynastie égyptienne zéro | Protodynastic Period of Egypt |
| Dynasties du Nord et du Sud | Southern and Northern Dynasties |
| dynastique | dynastic |
| DynCorp | DynCorp International |
| dyne | dyne |
| Dyneema | Ultra high molecular weight polyethylene |
| Dynéine | Dynein |
| dyscalculie | dyscalculia |
| Dyscophus | Tomato frog |
| Dysderidae | Dysderidae |
| dysenterie | dysentery |
| dysfonction | dysfunction |
| dysfonction érectile | erectile dysfunction |
| dysfonctionnel | dysfunctional |
| dysfonctionnement | dysfunction |
| dysgraphie | dysgraphia |
| Dysharmonie | Variance |
| Dysharmonie évolutive | Multiple-complex Developmental Disorder |
| dysharmonique | disharmonious |
| Dyshidrose | Dyshidrosis |
| dyskinésie | dyskinesia |
| dyslalie | dyslalia |
| dyslexie | word blindness |
| dyslexique | dyslexic |
| Dysmorphophobie | Body dysmorphic disorder |
| Dysnomie | Dysnomia |
| dyspareunie | dyspareunia |
| dyspepsie | dyspepsia |
| dyspeptique | dyspeptic |
| Dysphasie | Dysphasia |
| dysphorie | dysphoria |
| dysphémisme | dysphemism |
| Dysplasie cleido cranienne | Cleidocranial dysostosis |
| dyspnée | dyspnoea |
| dysprosium | dysprosium |
| dysthymie | dysthymia |
| dysthymique | dysthymic |
| Dystopie | Dystopia |
| dystopique | dystopian |
| dystopiste | dystopian |
| dystrophie | dystrophy |
| Dystrophie facio scapulo humérale | Facioscapulohumeral muscular dystrophy |
| dystrophie musculaire | muscular dystrophy |
