| Abbreviation | Definition |
|---|---|
| UPI | University Physicians Inc |
| UPI | University Professionals of Illinois |
| UPIC | University Process Improvement Council |
| UPITTC | University of the Philippines Information Technology Development Center |
| UPIU | United Press International University |
| UPJ | Undergraduate Psychology Journal |
| UPJ | University of Pittsburgh at Johnstown |
| UPJ | University of Pittsburgh at Johnstown's |
| UPJ | University of Pittsburgh Johnstown |
| UPK | University Park |
| UPL | Undergraduate Projects Laboratory |
| UPLA | Universidad Peruana Los Andes |
| UPLB | University of the Philippines Los Baños |
| UPLE | Universidad por la Emancipación |
| UPLF | University of the Philippines Lingua Franca |
| UPLR | University of Pennsylvania Law Review |
| UPM | Universiti Putra Malaysia |
| UPM | University of Prince Mugrin |
| UPM | University of the Philippines - Manila |
| UPM | University of the Philippines Manila |