MAU

MAU may refer to:

Makeup air unit, a type of air handler that only conditions outside (not recirculated) air
Marine Amphibious Unit, a former term for a marine expeditionary unit, the smallest air-ground task force in the United States Fleet Marine Force
Medical Assessment Unit, or acute assessment unit, a short-stay department in some British, Australian and New Zealand hospitals that may be linked with the emergency department

Computing:

Media Access Unit (or Multistation Access Unit), an interconnecting device used in a token ring network with a star topology
Medium Attachment Unit, a transceiver in an Ethernet network

Entertainment:

Massively Armored Unit, a piece in the multiplayer game RF Online
Monthly Active Users, a metric for the success of online social games

Places:

MAU, code for the Mauldeth Road railway station, which
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