| Acronym | Definition |
|---|
| UAT | Universidad Autonoma de Tamaulipas |
| UAT | Under a Tree (Bloomfield, NJ) |
| UAT | User Acceptance Testing |
| UAT | User Acceptance Test |
| UAT | Unauthorised Transaction |
| UAT | University of Advancing Technology (Tempe, Arizona) |
| UAT | Universal Access Transceiver |
| UAT | Ultra Alta Temperatura (Portugese: long life milk) |
| UAT | Urine Antigen Test (infectious disease test) |
| UAT | Usage Analysis Tool (Xerox) |
| UAT | Universal Access Terminal (Sprint) |
| UAT | Unit Auxiliary Transformer |
| UAT | Unavailable Time (SDH quality measurements) |
| UAT | University of Alabama at Tuscaloosa |
| UAT | Unit Allocation Type |
| UAT | United American Technology (Oklahoma) |
| UAT | Unidad Anti-Terroristes (Chilean anti/counter-terrorist group) |
| UAT | Urban Assault Team |
| UAT | Unmanned Aerial Target |
| UAT | User Authentication Trap |
| UAT | Universal Avionics Tester |
| UAT | Underwriters Association of Toronto |
| UAT | Until Advised by the Tower |
| UAT | Unit Administrative Technician |
| UAT | Unaligned Mode Transfer (VME) |
| UAT | Uniform Assessment Tool (healthcare) |