| Acronym | Definition |
|---|
| ACM | Association for Computing Machinery |
| ACM | Asbestos Containing Material |
| ACM | Association of Computing Machinery |
| ACM | Academy of Country Music |
| ACM | Associated Colleges of the Midwest |
| ACM | Automobile Club de Monaco |
| ACM | Alliance for Community Media |
| ACM | Access Control Mechanism (computing) |
| ACM | Association of Children's Museums |
| ACM | Ariadne Content Manager (software) |
| ACM | Academy of Contemporary Music (UK) |
| ACM | Asian Civilisations Museum (Singapore) |
| ACM | Applied and Computational Mathematics (various schools) |
| ACM | Aluminum Composite Material |
| ACM | Association of Cultural Managers (Russia) |
| ACM | Audio Compression Manager |
| ACM | Advisory Committee Meeting (various locations) |
| ACM | Algorithms and Computation in Mathematics (Springer publication) |
| ACM | Advanced Construction Materials (various locations) |
| ACM | Antonio Carlos Magalhães (Brazil´s senate president, circa 1999) |
| ACM | American Conservatory of Music (est. 1886) |
| ACM | Amon Carter Museum (Westover Hills, TX) |
| ACM | Adaptive Coding and Modulation (second generation operating feature of digital video broadcasting) |
| ACM | Anacostia Community Museum (Washington, DC) |
| ACM | Access Control Manager (software and web-based program) |
| ACM | Advanced Call Manager (software) |
| ACM | Audio Compression Module |
| ACM | Access Mode |
| ACM | Audio Codec Mapper |
| ACM | Association for Computer Machinery |
| ACM | Aironet Client Manager |
| ACM | Advanced Call Manager |
| ACM | Airbag Control Module |
| ACM | Address Complete Message |
| ACM | Aro Ciemme Motors |
| ACM | Advanced Compression Module |
| ACM | Address Control Machine |
| ACM | Access Control Monitor |
| ACM | Active Carrier Management |
| ACM | Access Control Machine |
| ACM | Automatic Constraint Mapping |
| ACM | Access Control Manager |
| ACM | Access Complete Message |
| ACM | Audio Control Module |
| ACM | Abstract Control Model (telecommunications) |
| ACM | Advanced Construction Management (various organizations) |
| ACM | Asynchronous Computer Mediated (learning) |
| ACM | Air Conditioning Maintenance |
| ACM | Address Complete Message (CCS #7) |
| ACM | Alternative and Complementary Medicine |
| ACM | Air Chief Marshal |
| ACM | Arnold Chiari Malformation |
| ACM | Avaya Communication Manager (telephony software) |
| ACM | All China Made (airsoft gun manufacturing designation) |
| ACM | Advisory Committee on the Microbiological Safety of Food (UK) |
| ACM | Application Compatibility Manager (Microsoft) |
| ACM | Annual Council Meeting (various locations) |
| ACM | Advanced Cruise Missile |
| ACM | Air-Combat Maneuvering |
| ACM | Advanced Composite Material |
| ACM | Access Control Module |
| ACM | Advanced Computer Management (Muskego, WI) |
| ACM | All-Cause Mortality (cause of death) |
| ACM | Accreditation Committee |
| ACM | Arts & Cultural Management (various organizations) |
| ACM | Air Cycle Machine |
| ACM | Acer Classroom Manager (educational software) |
| ACM | Anti-Coalition Militia |
| ACM | Advanced Computer Modeling |
| ACM | Automated Checkout Machine (retail) |
| ACM | Association for College Management (UK) |
| ACM | Advanced Currency Market |
| ACM | Afghanistan Campaign Medal |
| ACM | Along Came Mary |
| ACM | Accounts Management |
| ACM | Asian Consumer Market (sector) |
| ACM | Adaptive Computing Machine (Quick Silver) |
| ACM | Animal Care Manual |
| ACM | Appropriate Care Measure (health care metric) |
| ACM | Acquisition Career Manager |
| ACM | Air Combat Maneuver(ing) |
| ACM | Arab Common Market |
| ACM | Airport Certification Manual |
| ACM | Aliens: Colonial Marines (game) |
| ACM | Aviation Chief Metalsmith (military classification) |
| ACM | Airspace Control Measures |
| ACM | Articulated Concrete Mattress (civil engineering) |
| ACM | Advanced Cable Maintenance |
| ACM | Active Countermeasures |
| ACM | Advanced Conventional Munitions |
| ACM | American Craft Museum (now Museum of Arts & Design) |
| ACM | Automatic Coin Machine |
| ACM | Acting City Manager |
| ACM | Archive Classic Movies |
| ACM | Additional Crew Member |
| ACM | Annual Compliance Meeting |
| ACM | Accumulated Call Meter |
| ACM | Average Current Mode |
| ACM | American Campaign Medal |
| ACM | Aggregate Contribution Margin |
| ACM | Accredited Cruise Manager (travel) |
| ACM | Acoustic Current Meters |
| ACM | Architecture and Construction Management |
| ACM | Audio Codec Manager (Microsoft) |
| ACM | Accredited Case Manager (American Case Management Association credential) |
| ACM | Airspace Control Means |
| ACM | Aménagement, Commercialisation et Maintenance d'Aires de Jeux (French: Planning, Marketing and Maintenance of Playgrounds) |
| ACM | Asian Center for Missions (est. 1995; interdenominational ministries; Makati City, Philippines) |
| ACM | Active Channel Margin (aquatic habitat) |
| ACM | Agency Credit Memo |
| ACM | Aircraft Characterization Module (US DoD) |
| ACM | Approximate Conditional Mean (filter) |
| ACM | Associação Cristã dos Moços (Brazil; YMCA) |
| ACM | Administrative Controls Management, Inc |
| ACM | Associazione Calcio Milan S.P.A. (Italian soccer team) |
| ACM | ALSP Common Module |
| ACM | Adaptive Clock Method |
| ACM | Alarm Control Module |
| ACM | American Ceylon Mission |
| ACM | Auxiliary Crewmember (US DoD) |
| ACM | Autos-Canons-Mitrailleuses (Belgian armoured unit; World War I) |
| ACM | Aanderaa Current Meter |
| ACM | Active Mine (mining industry) |
| ACM | air contingency Marine air-ground task force (MAGTF) |
| ACM | Advanced Cooling Module (Cisco) |
| ACM | Acoustic Countermeasures |
| ACM | Automatic Control Module |
| ACM | Association Carabine Montpelliéraine (French: Montpellier Rifle Association) |
| ACM | Attended Combat Macro (gaming) |
| ACM | Attitude Calibration Module |
| ACM | Analog Control Module |
| ACM | Automatic Control Mode |
| ACM | Applied Coastal Modeling |
| ACM | Assemblage of Computer Maniacs |
| ACM | Appointment Control Manager |
| ACM | Area Club Management |
| ACM | Antyodaya Chetana Mandal |
| ACM | Air Conditioning Machine |
| ACM | Availability-Centered Maintenance |
| ACM | Alternate Contact Mode |
| ACM | Assante Capital Management Ltd (Calgary, AB, Canada) |
| ACM | Access Cost Management |
| ACM | Automated Cheque Manufacturing |
| ACM | American Cedar and Millwork (Maryland) |
| ACM | Area Composition Machine |
| ACM | Association des Cadres de Montréal |
| ACM | Alpine Club Méditerranée (French: Mediterranean Alpine Club; automobile club) |
| ACM | Athletic Club Milan |
| ACM | Air Crew Manual |
| ACM | Alarm Control Management (Unit) |
| ACM | Authorized Controlled Material |
| ACM | Augmented Counter Machine |
| ACM | Artificial Channel Method |
| ACM | Address Claimed Message |
| ACM | airspace coordinating measure |
| ACM | Associate Commissioner for Modernization |
| ACM | Aerodynamic Configured Missile |
| ACM | Alternative Culture Movement |
| ACM | Asynchronous Channel Multiplexer |
| ACM | Advanced Countermeasures Module (SIRFC component) |
| ACM | Asociación Canina Marplatense |
| ACM | Air Cooperation Mission (close air support of ground troops) |
| ACM | Association of Communication Managers |
| ACM | American Custom Motorsports |
| ACM | Advisory Compliance Message |
| ACM | Air Combat Maintenance |
| ACM | AUTODIN Communications Module |
| ACM | Appleton Transit Center (Amtrak station code; Appleton, WI) |
| ACM | Antiarmor Cluster Munition |
| ACM | Acceleration and Control Modulator (Ski-Doo snowmobiles) |
| ACM | Automated Collection Management |
| ACM | AutoCert Manager (Venafi) |
| ACM | Array Correlation Matrix (digital signal processing) |
| ACM | Automobile Club de Menton (French automobile club; Menton, France) |
| ACM | Aménagement et Construction de Montpellier (French: Montpellier Planning and Construction) |
| ACM | Automata for Cellular and Molecular Computing (International Workshop) |
| ACM | Arteria Cerebralis Media |