| Abbreviation | Definition |
|---|---|
| USDP | Unified Software Development Process |
| USE | Usefulness, Satisfaction, and Ease |
| USF | Unterhaltungs Software Forum |
| USFX | Unified Scripture Format XML |
| USK | Unterhaltungssoftware Selbstkontrolle |
| USLA | User Software License Agreement |
| USML | Universal Search Markup Language |
| USMT | User State Migration Tool |
| USMTF | United States Message Text Format |
| USP | Unicode Script Processor |
| USR | Unix Software Resources |
| USRP | Universal Software Radio Peripheral |
| USRP | Universal Software Radio Peripherals |
| USSI | United Systems and Software Inc |
| USSI | Universal Software Solutions Inc |
| USX | Unified Scripture XML |
| UT | Ultimate Test |
| UTAAG | Universal Technology All Application Generation |
| UTC | Unable To Change |
| UTF | Unit Testing Framework |