ACM

ACM or A.C.M. may refer to:

Aviation

 * AGM-129 ACM, 1990–2012 USAF cruise missile
 * Air chief marshal
 * Air combat manoeuvring or dogfighting
 * Air cycle machine
 * Arica Airport (Colombia) (IATA: ACM), in Arica, Amazonas, Colombia

Computing

 * Abstract Control Model, for USB to act as a serial port
 * Association for Computing Machinery, a US-based international learned society for computing
 * Asynchronous communication mechanism
 * Audio Compression Manager, Microsoft Windows codec manager

Education

 * Allegany College of Maryland
 * Associated Colleges of the Midwest
 * Association for College Management

Music

 * Academy of Contemporary Music, in Guildford, England, UK
 * Academy of Country Music
 * Association for Contemporary Music, in the Russian Federation

Organizations or businesses

 * African Content Movement, a South African political party
 * Alliance for Community Media
 * American Center for Mobility
 * American Ceylon Mission
 * Anaconda Copper Mining Company
 * Anti-Coalition Militia, anti-NATO Taliban in Afghanistan
 * Anti-cult movement
 * Asian Civilisations Museum, Singapore
 * Association for Computing Machinery, an international computing research society
 * Australasian Correctional Management
 * Australian Community Media
 * Australians for Constitutional Monarchy
 * Netherlands Authority for Consumers and Markets (Dutch: Autoriteit Consument & Markt)

Technology

 * Adaptive coding and modulation in wireless communication
 * Advanced case management
 * Alkyl acrylate copolymer, a type of rubber
 * Aluminium composite material, used in sandwich panels
 * Automated charging machine, a public mobile device charging station

Other uses

 * Another Chicago Magazine, a magazine founded by Barry Silesky
 * Antônio Carlos Magalhães (1927-2007), Brazilian politician
 * AC Milan, an Italian association football club
 * AC Monza, an Italian association football club
 * AECOM, NYSE symbol
 * Asbestos-containing material
 * Attorney–client matching
 * Iraqi Arabic, ISO 639-3 language code
 * Automobile Club de Monaco, a motoring club based in Monaco
 * A US Navy hull classification symbol: Auxiliary minelayer (ACM)