| Acronym | Definition |
|---|
| NMU➣Not Much, You? |
| NMU➣Northern Michigan University |
| NMU➣Norsk Målungdom (Norway) |
| NMU➣National Maritime Union |
| NMU➣Nordisk Media Utveckling (Swedish: Nordic Media Development) |
| NMU➣Non-Maintainer Upload (open source software development) |
| NMU➣Network Management Unit |
| NMU➣Non Motorised User (UK motorway management) |
| NMU➣Nothing Much, You? |
| NMU➣Narcissistic Man Unit (gaming clan) |
| NMU➣Network Monitoring Unit |
| NMU➣Navy Meteorological Unit |
| NMU➣Number Management Unit |
| NMU➣Non-Metropolitan Urbans (suppliers of regional goods, Victoria, Australia) |