ABM may refer to:

• ABM Industries, an American corporation
• ABM Serveis Immobiliaris, an Andorran Real State Agency
• ABM United Kingdom Limited, a United Kingdom software company
• Abahlali baseMjondolo, movement of South African shackdwellers
• Abertawe Bro Morgannwg University Health Board, an NHS Trust in Wales
• Account-based marketing, a targeted approach to marketing to a key account
• Activity-based management, a strategic decision-making method
• Agent-based model, a specific individual-based computational model for computer simulation
• Air Battle Manager, a rated flying position in the US Air Force
• Airbus Military
• Anti-ballistic missile, missile systems designed to counter ballistic missiles
• Anti-Ballistic Missile Treaty, a treaty between the USA and USSR
• Antique Boat Museum, a museum in Clayton, NY, USA
• Arturo Benedetti Michelangeli, an Italian classical pianist
• Associated British Maltsters, a malting company taken over by Dalgety plc
• Asynchronous Balanced Mode, a communication mode of HDLC and derivative protocols
• Automated banking machine, another term for Automated teller machine used mainly in Canada
• Bamaga Injinoo Airport (IATA airport code), in Queensland, Australia
• Uru: Ages Beyond Myst, an adventure computer game

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