| Acronym | Definition |
|---|
| TUT | Tutorial (File Name Extension) |
| TUT | Tutankhamun |
| TUT | Tampere University of Technology (Tampere, Finland) |
| TUT | The Ultimate Truth |
| TUT | Take Your Time |
| TUT | Toyohashi University of Technology (Japan) |
| TUT | Tshwane University of Technology (South Africa) |
| TUT | Tutorial File |
| TUT | Time Under Tension (athletic training) |
| TUT | The Ultimate Troubleshooter (software) |
| TUT | Tallinn University of Technology (Estonia) |
| TUT | Tariffa Urbana a Tempo (Italian phone billing) |
| TUT | Transistor Under Test (electricity) |
| TUT | Targets-Under-Trees |
| TUT | Technical User Test |
| TUT | Theft by Unlawful Taking |
| TUT | Tanks Under Trees |
| TUT | Thievery Unreal Tournament (Unreal Tournament game mod) |
| TUT | TDRSS Unscheduled Time |
| TUT | Tactical Users Terminal |
| TUT | Technology Upgrade to Teams |