| Acronym | Definition |
|---|
| MCM | Marine Corps Marathon (USMC) |
| MCM | Mathematical Contest in Modeling |
| MCM | Mid-Century Modern (architectural design) |
| McM | McMurry University (Abilene, Texas) |
| MCM | Microsoft Certified Master |
| MCM | Manual for Courts-Martial |
| MCM | Micrometer |
| MCM | Million Cubic Meters |
| MCM | Mine Countermeasures Ship |
| MCM | Minnesota Children's MuseuM (St Paul, Minnesota) |
| MCM | Monte Carlo Method (sampling scheme) |
| MCM | Maison des Cultures du Monde (French: House of World Cultures) |
| MCM | Mellon Capital Management |
| MCM | Masters in Computer Management |
| MCM | Mad Capsule Markets (band) |
| MCM | Marine & Coastal Management |
| MCM | Metal Composite Material |
| MCM | McMurdo Station, Antarctica |
| MCM | Medicare Carrier Manual |
| MCM | Minimo Comune Multiplo |
| MCM | Thousand Circular Mils (Wire Gauge) |
| MCM | Magnetic Core Memory |
| MCM | Mesoporous Crystalline Material |
| MCM | Cordi Marian Sisters (religious order) |
| MCM | Making Commitments Matter (political impact initiative) |
| MCM | Master of Christian Ministry |
| MCM | Michigan Custom Machines, Inc. |
| MCM | Medical Center Manila |
| MCM | Multinational Congress on Microscopy |
| MCM | Multiple Constant Multiplication (algorithm) |
| MCM | Master of Church Music (degree) |
| MCM | Marine Corps Manual |
| MCM | Monte Carlo, Monaco - Hel De Monte Carlo (Airport Code) |
| MCM | Master Control Module |
| MCM | Management Committee Member (Intel Corp.) |
| MCM | Military Committee Memorandum |
| MCM | Master Club Manager (Club Managers Association of America) |
| MCM | Memory Consistency Model |
| MCM | Master of Community Medicine |
| MCM | Master of Commerce and Management |
| MCM | Materiel Change Management |
| MCM | Mobility/Counter-Mobility |
| MCM | Master in Communication Management |
| MCM | Medical Communications Media, Inc. |
| MCM | Mechanical Current Meter |
| MCM | Message Center Management, Inc (Hartford, Connecticut) |
| MCM | Mobil Catalytic Material |
| MCM | Mapped Coarse Model |
| MCM | Multi-Channel Madness |
| MCM | military classification manual (US DoD) |
| MCM | Military Crisis Management |
| MCM | Missile Control Module |
| MCM | Metallized Ceramic Module |
| MCM | Military Computing Modules |
| MCM | Multicommand Manual |
| MCM | Miscellaneous Computed Malfunction |
| MCM | Mission Configurable Mast |
| MCM | Movement Control Module |
| MCM | Multiple Circular Mils |
| MCM | Municipal Corporation Multan (Pakistan) |
| MCM | Mickey Charles Mantle |
| MCM | Mixed Clocks Model |
| MCM | Mine/Mining Countermeasures |
| MCM | Master Community Manager (Community Managers International Association) |
| MCM | MerCruiser Marine (engines; Mercury Marine) |
| MCM | Mathematics and Computation in Music (international conference) |
| MCM | Muslim Council of Montreal (Montreal, Canada0 |
| MCM | Marketing Campaign Management (software) |
| MCM | Music City Mall (Odessa, TX) |
| MCM | Main Communication Module |
| MCM | Musson Cattell Mackey (Partnership; Vancouver, British Columbia) |
| MCM | Magic Circle Music (Auburn, NY) |
| MCM | Multi-Carrier Modulation |
| MCM | Multi-Chip Module |
| MCM | Multichannel Marketing |
| MCM | Memorial City Mall (Houston, TX) |
| MCM | Markov Chain Model (mathematics) |
| MCM | Multimedia Conference Manager (Cisco) |