| Abbreviation | Definition |
|---|---|
| TTD | Technology Transfer Division |
| TTD | Torpedo Tube Data |
| TTDF | Trinidad and Tobago Defence Force |
| TTDF | Trinidad Tobago Defence Force |
| TTDY | Training Temporary Duty |
| TTES | Team Tactical Engagement Simulator |
| TTF | Tactical Training Facilities |
| TTF | Temporary Test Facility |
| TTF | Testing Task Forces |
| TTF | Time To Fire |
| TTF | Time To Fly |
| TTF | To The Front |
| TTF | Torpedo Tube Firing |
| TTF | Trident Training Facility |
| TTFACOR | Targets, Threats, Friendlies, Artillery, Clearance, Ordnance, Restrictions |
| TTFC | Tactical and Technical Fire Control |
| TTG | Technology Transfer Group |
| TTG | Thermally Tempered Glass |
| TTG | Torpedo Tube Gantry |
| TTGD | Train the Government Developer |