| Abbreviation | Definition |
|---|---|
| TTN | Transnational Terrorist Network |
| TTNT | Tactical Targeting Network Technology |
| TTO | Torpedo Tube Operator |
| TTP | Tactics, Techniques, and Procedures |
| TTP | Technology Transfer Policy |
| TTP | Torpedo Tube Pitch |
| TTP | Torpedo Tube Pointer |
| TTP | Trailer Transfer Point |
| TTPO | Theater Targets Product Office |
| TTQ | Torpedo Tube Quintet |
| TTR | Tactical Training Range |
| TTR | Technology Transfer Requirement |
| TTR | Technology Transfer Setting |
| TTR | To The Rescue |
| TTR | Torpedo Tube Roll |
| TTR | Torpedo Tube Rotation |
| TTRDA | Taiwan Military and Police Tactics Research and Development Association |
| TTRDA | Taiwan Military and Police Tactics Research and Development Association (TTRDA) |
| TTS | Tank Thermal Sight |
| TTS | Target Tracking System |