| Abbreviation | Definition |
|---|---|
| DRD | Diagnostic Repair Drone |
| DRDL | Defence Research & Development Laboratory |
| DRDL | Defence Research and Development Laboratory (India) |
| DRDO | Defence Research and Development Organization |
| DRe | Dead Reckoning Error |
| DRE | Defense Research and Engineering |
| DREAM | Dolphin Research Education And Management |
| DREAR | Division Rear Command Post |
| DRED | Detection Radar Environment Display |
| DREE | Disaster Response Exercise & Exchange |
| DREN | Defense Research and Engineering Network |
| DREPO | Designated Reserve Entry Pay Office |
| DRG | Defense Research Group |
| DRIS | Defense Retail Inter-service Support |
| DRL | Date Required to Load |
| DRM | Directorate of Resource Management |
| DRMC | Dayton Region Military Collaborative |
| DRMD | Deployments Requirements Manning Document |
| DRMO | Defense Reutilization and Marketing Office |
| DRMS | Distance Root-Mean-Square |