| Acronym | Definition |
|---|
| NUP➣National Urban Park (various locations) |
| NUP➣Neapolis University Pafos (Pafos, Cyprus) |
| NUP➣Net Utility Plant |
| NUP➣National Union of Pensioners |
| NUP➣Northside Urban Pathways (education; PIttsburgh, PA) |
| NUP➣No Update |
| NUP➣National Unity Party |
| NUP➣Nucleoporin |
| NUP➣Non-Unit-Related Personnel (US DoD) |
| NUP➣Necrotizing Ulcerative Periodontitis (oral condition) |
| NUP➣Named User Plus (application licensing) |
| NUP➣Neînceperea Urmaririi Penale (Romanian: not pressing legal charges) |
| NUP➣New User Password |
| NUP➣Nutrinopets.com |
| NUP➣New Untitled Page (website) |
| NUP➣Non-Unitary Pre-Coder |