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MMU may refer to:


  • Memory management unit, a computer component
  • Manned Maneuvering Unit, a NASA rocket pack that snaps onto the back of a spacesuit
  • Methane multiple unit, a rail multiple unit vehicle powered by methane
  • Milli mass unit, an unofficial unit of mass, 1/1000 of the unified atomic mass unit (u)


  • Manchester Metropolitan University in England
  • Marymount University, a Catholic university in Arlington, Virginia
  • Mountains of the Moon University in Fort Portal, Uganda
  • Mobile Meteorological Unit, a deployable weather forecasting support unit of the British Armed Forces
  • Morristown Municipal Airport ( IATA code), near Morristown, New Jersey
  • Mount Meru University in Tanzania
  • Multimedia University, a private university in Malaysia
  • Myanmar Maritime University
  • Mega Man Universe, a game by Capcom