| RTRC | Rat Terrier Rescue Canada
| Others |
| RTRC | Real Time Recent Changes
| Others |
| RTRC | Refugee Trauma and Resilience Center
| Others |
| RTRC | Regional Telehealth Resource Center
| Others |
| RTRC | Regional Tourism Resource Centre
| Others |
| RTRC | Rehabilitation Technology Resource Center
| Others |
| RTRC | Reinforce Thermosetting Resin Conduit
| Others |
| RTRC | Reinforced Thermosetting Resin Conduit
| Others |
| RTRC | Reset Real-Time Clock
| Others |
| RTRC | River Teign Rowing Club
| Others |
| RTRC | Roary The Racing Car
| Others |
| RTRC | Rotorua Trail Running Club
| Others |
| RTRC | Rural Telehealth Research Center
| Others |