| Acronym | Definition |
|---|
| TRK | Tire Repair Kit |
| TRK | Trunk (US DoD) |
| TRK | Truck |
| TRK | Tracking |
| TRK | Trinity Rescue Kit (Linux) |
| TRK | Trinity Rescue Kit |
| TRK | Truckee-Tahoe Airport (Truckee, CA) |
| TRK | Tyrosine Kinase Receptor |
| TRK | Technische Richtkonzentration (German: Technical Guide Concentration) |
| TRK | Turlock/Denair (Amtrak station code; Turlock, CA) |
| TRK | Tarakan, Indonesia - Tarakan (Airport Code) |
| TRK | The Royal Knights (gaming clan) |
| TRK | Track/Tracker |
| TRK | Tvedestrand Racing Klubb (Norwegian: Tvedestrand Racing Club; yacht club; est. 1984) |
| TRK | Team Rocket Killers (gaming) |
| TRK | Total Right Knee (replacement surgery) |
| TRK | Thyssen-Röhm-Krupp Group (German multinational corporation) |
| TRK | Tsukumo Robot Kingdom |