| Abbreviation | Definition |
|---|---|
| DRD | Defense Research Development |
| DRD | Department for Regional Development |
| DRD | Department of Regional Development |
| DRD | Design Research and Development |
| DRD | Dubach Racing Development |
| DRDA | District Rural Development Agencies |
| DRDA | District Rural Development Authority |
| DRDB | Digital Radio Development Bureau |
| DRDC | Defence Research and Development Canada |
| DRDE | Defence Research and Development Establishment |
| DRDE | Defence Research Development Establishment |
| DRDL | Defence Research and Development Laboraory |
| DRDL | Defence Research and Development Laboratary |
| DRDL | Defense Research and Development Laboratory |
| DRDO | Defence Research and Development Organisation |
| DRDO | Defense Research and Development Organisation |
| DRDO | Defense Research Development Organisation |
| DRDO | Department of Research and Development Organisation |
| DRDO | District Rural Development Office |
| DRDO | Drought Relief and Development Organisation |