| Acronym | Definition |
|---|
| UPO➣Uniformed Police Officer (various locations) |
| UPO➣Universidad Pablo de Olavide (Spanish university; est. 1997; Seville, Spain) |
| UPO➣United Planning Organization |
| UPO➣University Police Officer (various schools) |
| UPO➣University Planning Office (various universities) |
| UPO➣Union Philharmonic Orchestra (Hong Kong University Students' Union) |
| UPO➣Updated Path Ordering |
| UPO➣Uniform Physical Optics |
| UPO➣Utilities Program Office |
| UPO➣Unit Project Officer |
| UPO➣Unattended Point-Of-Sale |
| UPO➣Units Per Order |
| UPO➣Unit Personnel Office/r |