NMU
NMU may refer to:
Education[edit]
- Northern Michigan University, a public university in Marquette, Michigan
- Nelson Mandela University, a public university in Port Elizabeth, South Africa
- National Mining University of Ukraine
- Nishtar Medical University
- North Maharashtra University, Maharashtra, India
Labor organizations[edit]
- National Maritime Union
- National Miners' Union (1928–35), American affiliate of the Red International of Labour Unions