RDRA
| Acronym | Definition |
|---|---|
| RDRA | Rob Druppers Running Academy |
| RDRA | Rectangular Dielectric Resonator Antenna |
| RDRA | Regional Disaster Response Advisor |
| RDRA | Regional Disaster Reduction Advisor (UN; various locations) |
| RDRA | Remedial Design/Remedial Action (US EPA) |
| RDRA | Red Deer Regional Airport (Canada) |
| RDRA | Russian Drag Racing Association |