| Acronym | Definition |
|---|
| UPB | University of Paderborn (NRW, Germany) |
| UPB | University of Pittsburgh at Bradford (Bradford, PA) |
| UPB | Universidad Privada Boliviana (Spanish: Bolivian Private University) |
| UPB | Ultimate PHP Board |
| UPB | Universidad Pontificia Bolivariana (Spanish) |
| UPB | Universal Powerline BUS |
| UPB | Unpaid Principal Balance (mortgage and asset-based banking) |
| UPB | University of the Philippines Baguio (Baguio City, Philippines) |
| UPB | Universitatea Politehnica Bucuresti (Romanian: Polytechnic University of Bucharest; Bucharest, Romania) |
| UPB | Undergraduate Programs in Business (various universities) |
| UPB | Patriotic Union of Bonaire (Netherlands Antilles) |
| UPB | University Programming Board (universities) |
| UPB | Unmanned Production Buoy (oil industry) |
| UPB | United Pursuit Band |
| UPB | Union Programming Board (University of Oklahoma; Norman, OK) |
| UPB | Unique Perceived Benefit |
| UPB | Universally Preferable Behaviour (philosophy) |
| UPB | Ulster Protestant Boys (band) |
| UPB | Universität Von Paderborn (Germany) |
| UPB | Universal Plastic Bag Manufacturing Co. |
| UPB | Union Plasturgie Bâtiment (French: Plastics Building Union) |
| UPB | University of Politehnica Bucharest (Romania) |
| UPB | Universal Pressure Boiler |