| Acronym | Definition |
|---|
| DSU | Data/Digital Service Unit |
| DSU | Delaware State University |
| DSU | Data Service Unit |
| DSU | Delta State University (Cleveland, Mississippi) |
| DSU | Dickinson State University (Dickinson, ND, USA) |
| DSU | Développement Social Urbain (French: Urban Social Development) |
| DSU | Dakota State University (Madison, SD, USA) |
| DSU | Dotation de Solidarité Urbaine (French: Urban Solidarity Grant) |
| DSU | Dispute Settlement Understanding (WTO) |
| DSU | DeSales University (Center Valley, Pennsylvania) |
| DSU | Danmarks Socialdemokratiske Ungdom (Danish: Danish Social Democratic Youth) |
| DSU | Digital Service Unit (aka Data Service Unit) |
| DSU | Data Storage Unit |
| DSU | Digital Subscriber Unit |
| DSU | Data Description Specifications Design Utility |
| DSU | Digital Service Unit |
| DSU | Diplôme Supérieur d'Université (French: Advanced University Diploma) |
| DSU | Durham Students' Union (University of Durham, UK) |
| DSU | Drilling Spacing Unit (oil wells) |
| DSU | Day Surgery Unit (various locations) |
| DSU | Dalhousie Student Union |
| DSU | Duxbury Student Union (Duxbury, MA) |
| DSU | Detective Superintendent (TV series; UK) |
| DSU | Deep Submergence Unit |
| DSU | Direct Support Unit |
| DSU | Disk Storage Unit |
| DSU | Deferred Stock Unit |
| DSU | Daily Stand-Up (software engineering) |
| DSU | Douglas Students' Union (Canada) |
| DSU | Distress Signal Unit |
| DSU | Dansk Skøjte Union (Danish Skating Club) |
| DSU | Data Servicing Unit |
| DSU | Delay in Startup Insurance (protects the seller from penalties if project is not on time) |
| DSU | Decision Storage Unit |
| DSU | Digital Switch Unit |
| DSU | Data Sending Unit |
| DSU | Development Support Unit |
| DSU | Digital Signaling Unit |
| DSU | Device Switching Unit |
| DSU | Disbursed Semantic Unit |
| DSU | Digital Synchronization Unit |
| DSU | Data Signal Unit |
| DSU | Drugs Surveillance Unit |
| DSU | Double for Single Use Room (lodging) |
| DSU | Data Synchronize Unit |
| DSU | Diagnostic Storage Unit |
| DSU | debt service undertaking |
| DSU | Dependable Systems Upgrade |
| DSU | Digitizer Switching Unit |