| UNPA | United National Progressive Alliance 
| Others |
| UNPA | United Nations Parliamentary Assembly
| Others |
| UNPA | United Nations Participation Act
| Others |
| UNPA | United Nations Postal Administration
| Others |
| UNPA | United Nations Protected Area
| Others |
| UNPA | United Natural Products Alliance
| Others |
| UNPA | United Neurodiagnostic Professionals of America
| Others |
| UNPA | Universidad Nacional de la Patagonia Austral
| Others |
| UNPA | University Neighborhood Preservation Association
| Others |
| UNPA | Utah News Photographers Association
| Others |