MGB

MGB may refer to:

• Mathematical Gymnasium Belgrade (Matematička Gimnazija), an elementary and high school for gifted students in Serbia
• MG MGB, a sports car produced by the British Motor Corporation and its successors from 1962 to 1980
• The Matterhorn-Gotthard-Bahn, a railroad operating in the Swiss Alps
• Matthew Good Band, a Canadian group
• Medial geniculate nucleus, or medial geniculate body, a subnucleus of the thalamus in the brain
• Medium Girder Bridge, a modular, military bridge
• Mini-Gastric Bypass, a specialized gastric bypass procedure developed by Dr. Robert Rutledge
• Ministry for State Security (Soviet Union) (Ministerstvo Gosudarstvennoi Bezopasnosti), a predecessor of the KGB (secret police)
• Motor Gun Boat, a fast attack boat armed with cannons and guns, as opposed to the Motor Torpedo Boat
• Mount Gambier Airport, an airport servicing the Mount Gambier region which uses the IATA code MGB
• Mutual gains bargaining