BUT
| Acronym | Definition |
|---|---|
| BUT | Best Use of Technology |
| BUT | Better Understand Things |
| BUT | Belly Up Tavern |
| BUT | Breakup Time (of lacrimal film; ophthalmology) |
| BUT | Brno University of Technology (Brno, Czech Republic) |
| BUT | Atlantic Butterfish (FAO fish species code) |
| BUT | Build Up Technology |
| BUT | Barbados Union of Teachers |
| BUT | Basic Unit Training |
| BUT | Behold the Underlying Truth |