UNPA
| Acronym | Definition |
|---|---|
| UNPA | United Nations Postal Administration |
| UNPA | United National Progressive Alliance (Indian political group; now Third Front) |
| UNPA | United Nations Protected Area |
| UNPA | Utah Natural Products Alliance (now United Natural Products Alliance) |
| UNPA | United Neurodiagnostic Professionals of America |
| UNPA | United Nations Participation Act of 1945 |
| UNPA | United Nations Population Agency |