| M/CM | Mine/ Countermine 
| Others |
| MCM | Comic Con MCMComicCon
| Others |
| MCM | Jim Mcmahon
| Others |
| MCM | Ma Chaine Musicale
| Others |
| MCM | MADS (Modular Auxiliary Data System) Control Module
| Others |
| MCM | Magic Circle Member
| Others |
| MCM | Magic City Mustangs
| Others |
| MCM | Magnetic Core Memory
| Others |
| MCM | Mainstream Corporate Media
| Others |
| MCM | Majalgaon College Majalgaon
| Others |
| MCM | Maker Crush Monday
| Others |
| MCM | Making College Media
| Others |
| MCM | Making Conceited Moves
| Others |
| MCM | Man Candy Monday
| Others |
| MCM | Man Crush Monday
| Others |
| MCM | Mando Corporation Mexico
| Others |
| MCM | Manila Chat Marketers
| Others |
| MCM | Manual for Courts Martial
| Others |
| MCM | Manual for Courts-Martial
| Others |
| MCM | Manufacturing Cycle Management
| Others |
| MCM | Maria Crush Monday
| Others |
| MCM | Marine Construction Management
| Others |
| MCM | Marine Corps Marathon
| Others |
| MCM | Marine Corps Marathon Marine Corps Marathon
| Others |
| MCM | Martha Canfield Memorial
| Others |
| MCM | Martini Crush Monday
| Others |
| MCM | Mascot Crush Monday
| Others |
| MCM | Master Chemical Mechanism
| Others |
| MCM | Master Chief Musician
| Others |
| MCM | Master Control Module
| Others |
| MCM | Master of Computer Management
| Others |
| MCM | Masters in Computer Management
| Others |
| MCM | Materiel Change Management
| Others |
| MCM | Mathematical and Computer Modelling
| Others |
| MCM | Mathematical Contest in Modeling
| Others |
| MCM | Max Chris and Myles
| Others |
| MCM | Maxima Crush Monday
| Others |
| MCM | Maximum Combination Mass
| Others |
| MCM | Mecanique Compacte Manuelle
| Others |
| MCM | Mechanical Compact Manual
| Others |
| MCM | Mechanical Current Meter
| Others |
| MCM | Medical Counter-Measure
| Others |
| MCM | Mellon Capital Management
| Others |
| MCM | Memory Coherence Manager
| Others |
| MCM | Memory Conceptualized Mood
| Others |
| MCM | Men Crush Monday
| Others |
| MCM | Menu of Control Measures
| Others |
| MCM | Merino Comfort Mapping
| Others |
| MCM | Message Center Module
| Others |
| MCM | Message Center Monitoring
| Others |
| MCM | Metal Cold Mirror
| Others |
| MCM | Metal Composite Material
| Others |
| MCM | Mexico City Mondays
| Others |
| MCM | Michael Cromer of Munich, fashion designer
| Others |
| MCM | Micro Car Museum
| Others |
| MCM | Microsoft Certified Master
| Others |
| MCM | Mid California Minis
| Others |
| MCM | Mid Century Modern
| Others |
| MCM | Mid Century Modernism
| Others |
| MCM | Mid Columbia Minis
| Others |
| MCM | Mid-Century Modern
| Others |
| MCM | Midland Credit Management
| Others |
| MCM | Midlands Classic Mercedes
| Others |
| MCM | Midnight Corsair Mafia
| Others |
| MCM | Midnight Cry Ministries
| Others |
| MCM | Mighty Car Mods
| Others |
| MCM | Military Classification Manual
| Others |
| MCM | Military Committee Meeting
| Others |
| MCM | Military Computing Module
| Others |
| MCM | Miller Condominium Marketing
| Others |
| MCM | Million Cubic Meters
| Others |
| MCM | Mine Counter Measure
| Others |
| MCM | Mine Counter Measures
| Others |
| MCM | Mine Counter-Measures ship (Minesweeper)
| Others |
| MCM | Mine CounterMeasures
| Others |
| MCM | Mine-Countermeasures
| Others |
| MCM | Mini Club Munchen
| Others |
| MCM | Ministerial Council Meeting
| Others |
| MCM | Minnesota Children's Museum
| Others |
| MCM | Mission Communication Management
| Others |
| MCM | Mithril Chain Mail
| Others |
| MCM | Mitsubishi Colt Meeting
| Others |
| MCM | Mobil Composition of Matter
| Others |
| MCM | Mobile Composition of Matter
| Others |
| MCM | Mobile Content Management
| Others |
| MCM | Mod Configuration Menu
| Others |
| MCM | Mode Creation Munich
| Others |
| MCM | Modern Creation Munich
| Others |
| MCM | Modern Culture and Media
| Others |
| MCM | Mom Crush Monday
| Others |
| MCM | Money Changer Malaysia
| Others |
| MCM | Montantes Compensatorios Monetarios
| Others |
| MCM | Monte Carlo, Monaco
| Others |
| MCM | Mortgagee Compliance Manager
| Others |
| MCM | Motor City Marauders
| Others |
| MCM | Motor City Masters
| Others |
| MCM | Motor City Modded
| Others |
| MCM | Motor City Movement
| Others |
| MCM | Motor City Murderers
| Others |
| MCM | Motor Control Management
| Others |
| MCM | Motor Control Module
| Others |
| MCM | Mouch Crush Monday
| Others |
| MCM | Mountjoy Chilton Medley
| Others |
| MCM | Mucous Cell Metaplasia
| Others |
| MCM | Multi Carrier Modulation
| Others |
| MCM | Multi Carrier Module
| Others |
| MCM | Multi Channel Management
| Others |
| MCM | Multi Channel Marketing
| Others |
| MCM | Multi chip module
| Others |
| MCM | Multi Cloud Management
| Others |
| MCM | Multi Color Mode
| Others |
| MCM | Multi-Chip Module
| Others |
| MCM | Multi-Commodity Machine
| Others |
| MCM | Multimedia Communications on the Move
| Others |
| MCM | Multimedia Conference Manager
| Others |
| MCM | Multiple Constant Multiplication
| Others |
| MCM | Multiple Contingencies Management
| Others |
| MCM | Muschi Club Munchen
| Others |
| MCM | Muscle Car Magazine
| Others |
| MCM | Muscle Car Masters
| Others |
| MCM | Music City Miracle
| Others |
| MCM | Mustang Club Madrid
| Others |
| MCM | Mustang Club Malaysia
| Others |
| MCM | Mustang Club Mexico
| Others |
| MCM | Mustang Club of Maryland
| Others |
| MCM | My Cash Manager
| Others |
| MCM | My Cloud Mirror
| Others |
| MCM | My Cute Mother
| Others |
| MCM | Myvi Club Malaysia
| Others |