MUB

MUB may refer to:
 * Maun Airport, Botswana, from its IATA airport code
 * Medical University of Bahrain
 * Memorial Union Building (disambiguation), any one of several buildings
 * Musselburgh railway station, Scotland, from its National Rail code
 * Mutually unbiased bases, a measurement concept in quantum information theory
 * Bethnahrin National Council, a left wing Assyrian nationalist organization in the Middle East