| Abbreviation | Definition |
|---|---|
| RRFF | Rural Residential Farm Forest |
| RRFF | Russian River Fly Fishers |
| RRFI | Reconfigurable Radio Frequency Interface |
| RRFM | Really Really Free Market |
| RRFP | Regional Reduced Fare |
| RRFP | Regional Reduced Fare Permit |
| RRFP | Richmond Reproductive Freedom Project |
| RRFP | Rotatable retarder fixed polarizer |
| RRG | Rabbi Reuven Grodner |
| RRG | Real Reality Gossip |
| RRG | Recruiting Resource Group |
| RRG | Relative Rotation Graphs |
| RRG | Richies Recovery Garage |
| RRG | Risk Reduction Graduate |
| RRG | Risk Retention Groups |
| RRG | River Red Gum |
| RRG | Roker Record Group |
| RRG | Rust Rewrite of GRR |
| RRGH | Recombinant rat growth hormone |
| RRGH | Royal River Grill House |