| Acronym | Definition |
|---|
| RDU➣Rank-Dependent Utility |
| RDU➣Regional Distribution Unit |
| RDU➣Rear Drive Unit |
| RDU➣Remote Display Unit |
| RDU➣Rapid Deployment Unit (Teleware) |
| RDU➣Rassemblement pour la Démocratie et l'Unité (French: Rally for Democracy and Unity, Mauritania) |
| RDU➣Renal Dialysis Unit |
| RDU➣Reasonable Drivers Unanimous |
| RDU➣Receipt and Despatch Unit (US Navy) |
| RDU➣Refrigerated Detector Unit |
| RDU➣Remote Diagnostic Unit (Bendix ABS) |
| RDU➣Regional Decision Units |
| RDU➣Reptiles Down Under (Australia) |
| RDU➣Raleigh/Durham, NC, USA - Raleigh Durham International Airport (Airport Code) |
| RDU➣Restricted Duties |