| Acronym | Definition |
|---|
| DDU | Dotation de Développement Urbain (French: Provision of Urban Development) |
| DDU | Delivered Duty Unpaid (shipping) |
| DDU | Dvd Device Unit |
| DDU | Delivered Duty Unpaid |
| DDU | Delivery Duty Unpaid |
| DDU | Dynamic Deframe User |
| DDU | Destination Delivery Unit (USPS) |
| DDU | destination delivery unit (US Postal Service; fee for bulk mail) |
| DDU | Deutsche Diabetes Union (German: German Diabetes Union) |
| DDU | Distribution Directe d'Usine (French: Factory Direct Distribution) |
| DDU | Decommutator Distribution Unit (US NASA) |
| DDU | Drugs of Dependence Unit (South Australia) |
| DDU | Dual Diagmosis Unit (various locations) |
| DDU | Data Display Unit |
| DDU | Dutch Delta University (Netherlands) |
| DDU | Dansk Dart Union |
| DDU | Disk Drive Unit |
| DDU | Dymaxion Deployment Unit (military shelter developed by R. Buckminster Fuller) |
| DDU | Diagnostic Development Unit (various organizations) |
| DDU | Data Distribution Unit |
| DDU | Developmental Disorder Unit |
| DDU | Driver Display Unit |
| DDU | Diploma of Diagnostic Ultrasound (Australasia) |
| DDU | Dunkin' Donuts University |
| DDU | Dermodistortive Urticaria |
| DDU | Digital Data Unit |
| DDU | Developmental Deviations Unit |
| DDU | Drug Detection Units (Pakistan) |
| DDU | Direct Deployment Unit |
| DDU | Device Diagnostic Unit |
| DDU | Drogue Deployment Unit |
| DDU | Delayed Death Unit (in hospitals) |
| DDU | Delivery Distribution Unit |
| DDU | Dynamic Directory Update |
| DDU | Darling Diapers Unlimited (website) |