| Abbreviation | Definition |
|---|---|
| RSPB | Royal Society for the Protection of Birds |
| RSPCA | Royal Society for the Prevention of Cruelty to Animals |
| RSVI | Regional Superintending Veterinary Inspector |
| RT | Red Tailed |
| RTCIT | Rabies Tissue Culture Infection Test |
| RTG | Red Tail Golden |
| RTS | Red Tummy Snake |
| RUAS | Royal Ulster Agricultural Society |
| RUMA | Responsible Use of Medicines in Agriculture Alliance |
| RURAL | Society for the Responsible Use of Resources in Agriculture and on the Land |
| RVC | Remount Veterinary Corps |
| RVC | Royal Veterinary College |
| RVCZS | Royal Veterinary College Zoological Society |
| RVN | Registered Veterinary Nurse |
| RVP | Red Veterinary Petrolatum |
| RVT | Registered Veterinary Technicians |
| RVT | Veterinary Technician |
| RVTG | Registered Veterinary Technologist |
| RVVP | Richmond Valley Veterinary Practice |
| RWF | Rabbit Welfare Fund |