| Acronym | Definition |
|---|
| TRT | Turkish Radio Television |
| TRT | Tribunal Regional do Trabalho (Brazil) |
| TRT | Triple Tube (lighting) |
| TRT | Transportation Research Thesaurus |
| TRT | Tinnitus Retraining Therapy |
| TRT | Testosterone Replacement Therapy |
| TRT | Torque Release Technique (chiropractic adjustment) |
| TRT | Treasure in the Royal Tower (Nancy Drew game) |
| TRT | Technical Recovery Team |
| TRT | Token Rotation Time |
| TRT | Transmit Record Table |
| TRT | Tahoe Rim Trail (California and Nevada) |
| TRT | Thai Rak Thai Party (Thailand) |
| TRT | Türkiye Radyo Televizyon Kurumu |
| TRT | Transient Room Tax |
| TRT | Thales Research & Technology (various locations) |
| TRT | Twin Rivers Technologies (Quincy, MA) |
| TRT | Technical Review Team |
| TRT | Tactical Response Team |
| TRT | Turkey Rhinotracheitis |
| TRT | Tyranny Response Team |
| TRT | The Radiance Technique |
| TRT | Total Run Time |
| TRT | Transport Relay Translator |
| TRT | Tyne Rivers Trust (UK) |
| TRT | Trauma Resolution Therapy |
| TRT | Turn Round Time |
| TRT | Throughput-Reliability Tradeoff |
| TRT | Temporary Relief Teacher (Australia) |
| TRT | Tree Running Tool |
| TRT | TEREC Remote Terminal |
| TRT | Token Rotation Time/Timer |
| TRT | Transverse Resonance Technique |
| TRT | Task Response Time |
| TRT | Technical Readiness Test |
| TRT | Total Rotor Thrust |
| TRT | Tikhonov Regularization Technique |
| TRT | Takeoff Rated Thrust |
| TRT | Transonic Research Tunnel |
| TRT | Time Released Technology |
| TRT | Ted Reed Thermal (heater manufacturer) |
| TRT | Tactical Record Traffic |
| TRT | Terrain Reconnaissance Tool |
| TRT | Tri-Region Team (MN DOT) |
| TRT | Text Retrieval Terminal |
| TRT | Total Retrieval Time |
| TRT | Test Report Tool (NCC) |