| Abbreviation | Definition |
|---|---|
| RDCC | Residential Design and Compatibility Commission |
| RDDT | Residential Dual Diagnosis Treatment |
| RDE | Residential and Dining Enterprises |
| RDEL | Residential Direct Exchange Line |
| RDI | Residential Delivery Indicator |
| RDOS | Resident Doctors Of Saskatchewan |
| RDRC | Residential Design Review Comittee |
| RDRC | Residential Design Review Committees |
| RDST | Resident Doctors Support Team |
| REACH | Resident Experts Are Convenient Help |
| REAL | Residential Expansion Advisory League |
| REAS | Residential Energy Assessment Services |
| RECO | Resident Evil Covert Operations |
| REDC | Resident Evil The Darkside Chronicles |
| REDC | Residential Eating Disorders Consortium |
| REES | Resident Economic Empowerment Sustainability |
| REGA | Residential Engagement Graduate Assistant |
| RELC | Residential Environmental Learning Centers |
| REP | Resident Ensemble |
| REP | Resident Ensemble Players |