RJD
| Acronym | Definition |
|---|---|
| RJD | Rashtriya Janata Dal (Indian political party) |
| RJD | Ronnie James Dio (singer) |
| RJD | Richard J. Donovan Correctional Facility (California prison) |
| RJD | Regional Joint Director (various organizations) |
| RJD | Reduced Julian Day (astronomy) |
| RJD | Réunion Jet Diffusion (French travel agency) |
| RJD | Reaction Jet Driver (US NASA) |
| RJD | Little Skate (FAO fish species code) |
| RJD | Radiographic Joint Destruction |