MDU
# MDU

The initials MDU may refer to:

* Mains distribution unit, electrical device
* Maharishi Dayanand University in Rohtak, Haryana, India
* Manchester Debating Union
* McGill Debating Union, a student-run debating society at McGill University.
* Medical Defence Union, medical defence organisation providing legal support should its members' clinical competence be questioned
* Methylene diurea, a chemical compound
* Military Democratic Union (Unión Militar Democrática), clandestine Spanish organisation of military officers in the late- and post-Franco era.
* MingDao University, a university in Changhua County, Taiwan
* MDU Resources (Montana-Dakota Utilities), American diversified energy company
* Multi-dwelling unit, classification of housing
* MDU, IATA airport code of Mendi Airport in Papua New Guinea
* MDU, Indian Railways station code of Madurai Junction railway station in Tamil Nadu, India
