| TRU | Tactical Response Uniform 
| Others |
| TRU | Tactical Robbery Unit
| Others |
| TRU | Tactics and Rescue Unit
| Others |
| TRU | Tal Resonating Ukulele
| Others |
| TRU | Tal Resource Utilization
| Others |
| TRU | Technical Resources Unit
| Others |
| TRU | Teenage Research Unlimited
| Others |
| TRU | Telephone Report Unit
| Others |
| TRU | Temporary Recommendations for Use
| Others |
| TRU | Tester Replaceable Unit
| Others |
| TRU | Th Respect And Unity
| Others |
| TRU | Thai Rung Union Car
| Others |
| TRU | The Real U
| Others |
| TRU | The Real Untouchables
| Others |
| TRU | The Recruiting Unconference
| Others |
| TRU | Theater Resources Unlimited
| Others |
| TRU | Thompson Rivers University
| Others |
| TRU | TIBS (Tactical Information Broadcast System) Receive Unit
| Others |
| TRU | Tobacco Reality Unfiltered
| Others |
| TRU | Tools Are Us
| Others |
| TRU | Tough, Ruthless, Unity
| Others |
| TRU | Toys R Us
| Others |
| TRU | Trailer Refrigeration Unit
| Others |
| TRU | Transceiver Unit
| Others |
| TRU | Transformer Rectifier Unit
| Others |
| TRU | Transport Refrigeration Unit
| Others |
| TRU | Transport Refrigeration Units
| Others |
| TRU | Transportation Riders United
| Others |
| TRU | Trimarian Royal University
| Others |
| TRU | Truck Refrigeration Unit
| Others |
| TRU | True Basic language source code file
| Others |
| TRU | Trujillo, Peru
| Others |
| TRU | Truk
| Others |
| TRU | Trusted Reliable User
| Others |
| TRU | Truth Respect and Unity
| Others |
| TRU | Turbidity Reducing Unit
| Others |