| Abbreviation | Definition |
|---|---|
| UNTL | University National of Timor Leste |
| UNTS | University of North Texas System |
| UNV | University of Nevada |
| UNW | University of Northern Washington |
| UNWE | University of National and World Economy |
| UNX | UNiversity Extension |
| UNY | Universidad Yacambu |
| UNYP | University of New York in Prague |
| UNYT | University of New York Tirana |
| UNZA | University of Zambia University of Zambia |
| UO | The University Of Oregon |
| UO | Ultimately Outstanding |
| UO | University of Oregon |
| UO | University Optics |
| UOA | University Of Alberta |
| UOA | University of Americas, a Global Virtual University |
| UOAF | University Of Alaska Fairbanks |
| UOB | University Of Bahrain |
| UOB | University of Balamand |
| UOB | University Of Balochistan |