| Acronym | Definition |
|---|
| TTT | To the Top (aka bounce, BBSs) |
| TTT | Train The Trainer |
| TTT | Team Time Trial |
| TTT | Securite (logging abbreviation) |
| TTT | The Two Towers (second Lord of the Rings book/movie) |
| TTT | Tic Tac Toe |
| TTT | Transpupillary Thermotherapy |
| TTT | Time, Temperature Transformation |
| TTT | The Troops to Teachers |
| TTT | Tekken Tag Tournament (Namco video game) |
| TTT | Thought That Too |
| TTT | Time to Talk |
| TTT | That's The Ticket |
| TTT | The Twin Towers |
| TTT | Teacher Talking Time |
| TTT | Things Take Time |
| TTT | Ting Tar Tid |
| TTT | Tilt Table Test |
| TTT | The Tokyo Towers (Japan) |
| TTT | That's the Truth |
| TTT | Time to Train |
| TTT | Total Time on Test (reliability) |
| TTT | Total Time on Test |
| TTT | Trinidad and Tobago Television |
| TTT | Time to Target |
| TTT | Tank Tightness Testing |
| TTT | Things That Think consortium (MIT) |
| TTT | Two-Tailed Test |
| TTT | Touch Tone Terrorists |
| TTT | Third Tier Toilet (colleges rating) |
| TTT | Terrible Terry Tate (Reebok character) |
| TTT | Tokyo Times Tower (Japan) |
| TTT | TAP Testing Toolkit (Comfone; mobile networks, GSM) |
| TTT | Time Triggered Technology |
| TTT | Target Transmission Time |
| TTT | Tyrolean Termination Tool (computer science) |
| TTT | Truth Takes Time |
| TTT | Tap to Tap (metallurgy) |
| TTT | Trunk-to-Trunk Transfer |
| TTT | Triangle Tennis Trust (Chennai, India) |
| TTT | Tanker-to-Tanker Transfer |
| TTT | Tut-Tera Teksajo (Esperanto: WWW) |
| TTT | Tomorrow's Teachers Today |
| TTT | Tax Tag and Title |
| TTT | Team Tactics Trainer |
| TTT | Tried & True Trains (model railroading) |
| TTT | Time, Talent and Treasures |
| TTT | Teleport to Target (gaming) |
| TTT | Tele-Teaching and Training |
| TTT | Tummy Touching Table |
| TTT | Training Task Table |
| TTT | Thai Telephone and Telecommunications |
| TTT | Tactics Team Trainer |
| TTT | Transition to Track (radar) |
| TTT | Trappentreuthtunnel (Munich, Germany tunnel) |
| TTT | Two-Tangent Theorem (geometry) |
| TTT | Teen Travel Talk (website) |
| TTT | Track Type Tracker |