| Acronym | Definition |
|---|
| UPG | Upgrade |
| UPG | United Pet Group (Cincinnati, OH) |
| UPG | Universal Power Group (Carrollton, TX) |
| UPG | Universitatea Petrol Gaze (Romanian: University of Petroleum and Gas) |
| UPG | Unreached People Group (religion) |
| UPG | Universal Power Group |
| UPG | User Private Group |
| UPG | Union du Peuple Gabonais (French: Gabonese People's Union; political party) |
| UPG | University of Pittsburgh At Greensburg (Pennsylvania) |
| UPG | User Private Group (Red Hat Enterprise Linux) |
| UPG | Union do Povo Galego |
| UPG | Union for Progress of Guinea |
| UPG | Ujung Pandang, Indonesia - Hasanudin (Airport Code) |
| UPG | Unverified Personal Gnosis |
| UPG | Unified Purchasing Group (group purchasing organization) |
| UPG | Unión Patriótica Guatemalteca (Guatemalan Patriotic Union) |
| UPG | United Physicians Group |
| UPG | Ultra-Pure Germanium (radiology/radioactivity/gamma-ray spectrometry) |