| Acronym | Definition |
|---|
| TRD | Toyota Racing Development |
| TRD | Trading |
| TRD | Treatment-Resistant Depression (psychiatry) |
| TRD | Truth or Dare |
| TRD | Treatment-Related Death |
| TRD | Transition Radiation Detector |
| TRD | The Radio Dept. (band) |
| TRD | Technical Requirements Document |
| TRD | Technische Regeln für Dampfkessel (German: Technical Regulations for Boilers) |
| TRD | Test Requirement(s) Document |
| TRD | Technology Research Database |
| TRD | Teacher Recruitment Days (New York) |
| TRD | Tenderness, Rigidity, and Distention |
| TRD | Trust Deed |
| TRD | Tractional Retinal Detachment |
| TRD | Technical Review Document |
| TRD | Trondheim, Norway - Trondheim-Vaernes (Airport Code) |
| TRD | Tape Recorder Detector |
| TRD | Total Report Data (oil industry) |
| TRD | Transit Routing Domain |
| TRD | Tax Revenue Division (Canada) |
| TRD | Telomeric Rapid Deletion |
| TRD | Target Release Date |
| TRD | Temporary Rubber Datestamp (philately) |
| TRD | Tail Retarding Device |
| TRD | Timed Release Disconnect |
| TRD | Tower Radar Display (FAA) |
| TRD | Transverse Resonance Diffraction |
| TRD | Transformable Read on Disk (computing) |
| TRD | Technical Records Database (JCI) |
| TRD | Turbine Reduction Drive |
| TRD | The Relznukan Domain (website) |
| TRD | Transmission Reverse Direction Switch |
| TRD | Technology Readiness Date |
| TRD | Target Resolution Date (Australia) |