| Acronym | Definition |
|---|
| TRG | The Richards Group (Dallas, TX) |
| TRG | Teacher Resource Guide (various organizations) |
| TRG | The Runaway Guys (show) |
| TRG | Trigger |
| TRG | Tapered Radius Gradient |
| TRG | The Resource Group |
| TRG | Training Group |
| TRG | Teaching and Research Group |
| TRG | Technical Resource Group |
| TRG | Technical Review Group |
| TRG | Technology Research Group |
| TRG | Tory Reform Group |
| TRG | Training Resources Group, Inc (Arlington, VA) |
| TRG | Target Resource Group (Woodland Park, CO) |
| TRG | Training received (on overtime forms) |
| TRG | The Regence Group |
| TRG | Tauranga, New Zealand - Tauranga (Airport Code) |
| TRG | Tactical Reconnaissance Group |
| TRG | Tumor Regression Grade |
| TRG | Translation Research Group (Brigham Young University) |
| TRG | Technical Rubber Goods |
| TRG | Triarc Restaurant Group |
| TRG | Tiny Rascal Gangsters (street gang) |
| TRG | Technical Recovery Guide |
| TRG | Telecommunications Research Group |
| TRG | The Rogue's Gallery (webcomic) |
| TRG | Tertiary Research Group (UK) |
| TRG | Trinity Rail Group (Dallas, TX) |
| TRG | Test Review Group |
| TRG | The Roof Group (US consulting firm) |
| TRG | Traffic and Revenue Growth (Telecoms) |
| TRG | The Roto Genius (fantasy baseball) |