| Abbreviation | Definition |
|---|---|
| TTA | Teletex Attachment |
| TTA | Time Triggered Architecture |
| TTA | Transfer Triggered Architecture |
| TTAD | That Thing All Day |
| TTB | Tri Teflon Borax |
| TTD | Tech Tree Definition |
| TTD | These Two Dudes |
| TTH | Tex-To-HTML |
| TTK | Thinking Tool Kit |
| TTL | Time To Live |
| TTL | Tips Tricks And Links |
| TTM | Tamed Transformation Method |
| TTR | Track Record |
| TTS | Text To Speech |
| TTS | Trouble Ticket System |
| TTY | TeleTYpe |
| TU | Time Unit |
| TUG | Tex Users Group |
| TUG | Toronto Users Group |
| TUG | Troa User Group |