| Abbreviation | Definition |
|---|---|
| RRCA | River Raisin Centre for the Arts |
| RRCA | Riverfront Renaissance Center for the Arts |
| RRCA | Round |
| RRCF | Rate Request Control Frame |
| RRCF | Real Red Carbon Fiber |
| RRCF | Root Raised Cosine Filter |
| RRCI | Radio Race Car International |
| RRCI | Rapid Root Cause Investigation |
| RRCI | Reading Recovery Center of Iowa |
| RRCI | Red Rock Center for Independence |
| RRCI | Reflective Roof Coatings Institute |
| RRCI | relative rate of catch increase |
| RRCI | Rhodesian Ridgeback Club Italia |
| RRCI | Rural Renaissance Community Index |
| RRCP | Realtek Remote Control Protocol |
| RRD | R R Donnelley |
| RRD | Reasonable Rate Documents |
| RRD | Red River Delta |
| RRD | Redused Resolution Dataset |
| RRD | Regulations and Rulings Division |