| Abbreviation | Definition |
|---|---|
| USA | University of Southern Alabama |
| USA | University of St Augustine |
| USAC | University Staff Advisory Committee |
| USAC | University Staff Advisory Council |
| USAC | University Studies Abroad Consortium |
| USAC | University Study Abroad Consortium |
| USAFA | United States Air Force Academy |
| USAI | University Swimming Association Inc |
| USAIU | Universal School of the Arts International University |
| USAO | University of Science and Arts of Oklahoma |
| USASA | University of South Australia Students Association |
| USAT | University of Science Arts Technology |
| USB | Undergraduate School of Business |
| USB | Universidad Simon Bolivar |
| USB | University of South Berkly |
| USB | University of Stellenbosch Business |
| USBT | University School of Bio Technology |
| USBT | University Sports Board of Thailand |
| USC | Undergraduate Studies Committee |
| USC | University of |