MCM

MCM may refer to:

Measurements

 * Thousand circular mils or kcmil, the wire gauge is equivalent cross sectional area (500 MCM = 500,000 circular mils)
 * Million cubic metre, the unit of volume

Music

 * Magic Circle Music, a heavy metal record label
 * Magic City Misfits, a roller derby team from Jacksonville, FL
 * Maverick City Music, a contemporary christian group
 * MCM (TV channel), a French music channel
 * Music City Mystique, a Percussion Independent World (PIW) Drumline
 * The Mad Capsule Markets, a Japanese punk-metal band
 * MCM – The Gospel: The Missing Gems of MCM Caveman (1994-2011) (Mark Layman), rapper and former frontman for UK hip-hop group Caveman
 * MCM Records, a French record label established by Jacques and Marcelle Morgantini

Science

 * Medical countermeasure (MCM), products that can protect from the effects of a chemical, biological, or nuclear attack
 * Minichromosome maintenance protein, which forms DNA helicase in eukaryotic species
 * Mobil Composition of Matter or Mobil Crystalline Material, a family of porous silicate-based materials
 * Macrocephaly-capillary malformation (M-CM), a rare genetic syndrome
 * Methylmalonyl-coenzyme A mutase, an enzyme
 * the Monte Carlo method

Military

 * MCM pistol, a 25-meter Standard Pistol
 * Mine Counter-measures, defensive techniques against military mines
 * Manual for Courts-Martial, the official guide to the conduct of courts-martial in the United States
 * Marine Corps Marathon, a 26-mile marathon held in Arlington, VA and Washington, DC
 * A US Navy hull classification symbol: Mine countermeasures ship (MCM)

Technology

 * Micro Computer Machines, an early manufacturer of microcomputers, such as the MCM/70
 * Microsoft Certified Master
 * Mobile content management, software capable of storing and delivering content to mobile devices
 * Multi Carrier Modulation
 * Multi-chip module, a specialized electronic package

Transportation

 * Monaco Heliport's IATA code
 * PABCO Transit, Inc or Morris County Metro, a bus system formerly serving Morris County, New Jersey

Other

 * Maranatha Campus Ministries, a former Christian ministry in the U.S.
 * Mathematical Contest in Modeling, challenges teams of students to clarify, analyze, and propose solutions to open-ended problems
 * M-C-M', Money-Commodity-Money, one of the forms of commodity trade in the theory of Karl Marx
 * MCM London Comic Con, a multi-genre fan convention held in London
 * MCM Worldwide, leather luxury goods brand
 * Melbourne City Mission, a charity in Australia
 * Mid-Century modern, an architectural, interior and product design form
 * Mighty Car Mods, a YouTube show about modifying cars
 * Roman numeral for 1900
 * Montreal Citizens' Movement, a municipal political party in Montreal, Quebec, Canada