| Acronym | Definition |
|---|
| UNN➣University News Network |
| UNN➣Universitetssykehuset Nord-Norge (Norwegian: University Hospital North Norway) |
| UNN➣University of Nigeria, Nsukka (Enugu, Nigeria) |
| UNN➣Underground News Network |
| UNN➣Unallocated National Number |
| UNN➣University Neighborhood Network |
| UNN➣University of Northumbria at Newcastle (UK) |
| UNN➣University of Nizhny Novgorod (Russia) |
| UNN➣University Neighborhood Network (Center for Urban and Regional Affairs; University of Minnesota; Minneapolis, MN) |
| UNN➣Usayd Network News (blog) |
| UNN➣Unnilnovium (meitnerium, element 109) |