| Abbreviation | Definition |
|---|---|
| USP | Unique Selling Point |
| USP | Unique Selling Proposition |
| USP | Unique Service Proposition |
| USPTO | United States Patent and Trademark Office |
| USR | Uniform Settlement Rule |
| USWA | United Steel Workers Of America |
| UT | Union Territory |
| UT | Upon Termination |
| UTAP | Utah Telephone Assistance Program |
| UTC | Under The Counter |
| UTD | up-to-date |
| UTF | Unemployment Trust Fund |
| UTH | Under Tank Heater |
| UTM | Universal Teller Machine |
| uto | under terms of |
| UTOPIA | User Tested Optimized Practices In Action |
| UTR | Unicode Technical Report |
| UTS | United Trading System |
| UTV | Utility, Technology, and Value |
| UUW | User Unit of Work |