| DDRS | Dalquest Desert Research Station 
| Others |
| DDRS | Declassified Documents Reference System
| Others |
| DDRS | Deendayal Disabled Rehabilitation Scheme
| Others |
| DDRS | Defense Data Repository System (now DDDS, Defense Data Dictionary System)
| Others |
| DDRS | Detroit Diesel Reprogramming Station
| Others |
| DDRS | Diet Data Recorder System
| Others |
| DDRS | Digital Download Recovery Service
| Others |
| DDRS | Division of Disability and Rehabilitative Services
| Others |
| DDRS | Double Drag Reduction System
| Others |
| DDRS | Drink Drive Rehabilitation Scheme
| Others |
| DDRS | Drug and Device Resource Service
| Others |
| DDRS | Dynamic Data Rate Selection
| Others |