| Acronym | Definition |
|---|
| RGD | Registrar General's Department (various locations) |
| RGD | Arginine-Glycine-Aspartic Acid |
| RGD | Rat Genome Database |
| RGD | Registered Graphic Designer (Canada) |
| RGD | Rijksgebouwendienst |
| RGD | Revue Générale du Droit (French: General Review of Law) |
| RGD | Random Genetic Drift (evolutionary genetics) |
| RGD | Reproduction, Growth and Development |
| RGD | Régie de Gestion des Données (French: Data Management Board) |
| RGD | Recherche Gestion Développements (French: Management Research Developments) |
| RGD | Rapid Gas Decompression |
| RGD | Reacting Gas Dynamics |
| RGD | Range Gate Deception |
| RGD | Returned Goods Damaged |
| RGD | Repetitive Group Designator (SCUBA) |
| RGD | Registers, Grills, and Diffusers (air distribution) |