| Abbreviation | Definition |
|---|---|
| TXE | TeXas Economists |
| UA | Underwriters Association |
| UAA | United Authors Association |
| UAB | Universal Accreditation Board |
| UAGA | Upper Assam Golf Association |
| UAIA | Uganda Alcohol Industry Association |
| UAIE | United Association of Innovative Entrepreneurs |
| UAJ | Union of Armenian Journalists |
| UAJAPPFI | United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the United States and Canada |
| UAL | United Agribusiness League |
| UAPSA | United Architects of the Philippines Student Auxiliary |
| UAR | Utah Association of REALTORS |
| UBA | Utah Bank Association |
| UBOA | United Bus Owners of America |
| UBPA | Uganda Beef Processors Association |
| UBPA | Uganda Beef Producers Association |
| UBPA | Uganda Beef Production Association |
| UBPA | United Bulgarian Pensioner Association |
| UCA | Unified Caring Association |
| UCAS | Utah County Academy of Sciences |