| Acronym | Definition |
|---|
| UNP | United National Party (Sri Lanka) |
| UNP | Union Pacific Corp. |
| UNP | United Nations Publications (Blue Ridge Summit, PA) |
| UNP | Ubiquitous Network Protocol |
| UNP | Unpacking |
| UNP | University of Nebraska Press |
| UNP | Universidade Potiguar (Brasil) |
| UNP | University of Nagoya Press (Nagoya, Japan) |
| UNP | University of Natal, Pietermaritzburg (South Africa) |
| UNP | Unpacked (virus scanners) |
| UNP | Unnilpentium (element 105) |
| UNP | University of Northern Philippines |
| UNP | Unix Network Programming |
| UNP | Unpaged |
| UNP | Underpass |
| UNP | University Neighborhood Partners |
| UNP | United National Photographers (UK) |
| UNP | Universidad Nacional de Pilar (Paraguay) |
| UNP | Utopia News Pro |
| UNP | Utah Nurse Practitioners |
| UNP | Umma National Party |
| UNP | Urban Nutrition Project |
| UNP | Universidad Nacional de Panamá (Spanish: National University of Panama) |
| UNP | Universidade Portiguar (Natal, Brazil) |
| UNP | Universal Naming Protocol |
| UNP | Underwater Noise Pollution |
| UNP | University Network Program |
| UNP | Upplands NätverksProgram (Sweden) |
| UNP | Universal Network Probe |
| UNP | United Nature Products, Inc. |
| UNP | Uluru-Kata Tjuta National Park (Australia) |
| UNP | Union Nationale pour la prospérité (French: National Union for Progress, Guinea) |
| UNP | United Punjab (India) |