| Abbreviation | Definition |
|---|---|
| RRD | Rhegmatogenous Retinal Detachment |
| RRD | RR Donnelley |
| RRDC | Red Rocks Data Center |
| RRDC | River Rhythms Dance Center |
| RRDE | Rotating Ring-Disk Electrode |
| RRDP | Red Ribbon Dance Project |
| RRDP | RPKI Repository Delta Protocol |
| RRE | Rapid Response to Elicitor |
| RRE | Records Registration and Evaluation |
| RRE | Records Registration and Evaluations |
| RRE | Recurrence Risk Estimator |
| RRE | Red Rock Eater |
| RRE | Responsible Reporting Entities |
| RRE | Responsible Reporting Entity |
| RRE | Rev response elements |
| RRE | Road /// Race Engineering |
| RRE | ROR response element |
| RREA | Red River Exhibition Association |
| RREA | Relativistic runaway electron avalanche |
| RRED | regular expression debugger |