| Acronym | Definition |
|---|
| DUSA | Deputy Under Secretary of the Army |
| DUSA | Département Universitaire des Sciences d'Agen (French: Science Department University of Agen) |
| DUSA | Délégation aux Usagers et aux Simplifications Administratives (French: Delegation to Users and Administrative Simplifications) |
| DUSA | Dundee University Students' Association (Scotland) |
| DUSA | Deakin University Student Association |
| DUSA | Daughters of the United States Army (West Point, NY) |
| DUSA | Designated Unclassified Subject Area |
| DUSA | Durham University Speleological Association (Durham, England, UK) |