| 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 |