MCC
- 1200
- 3-Methylcrotonyl-CoA carboxylase deficiency
- Banca del Mezzogiorno – MedioCredito Centrale
- Birmingham Museum Collection Centre
- Canadian Methodist Mission
- Castellania (Valletta)
- China Metallurgical Group Corporation
- Coronary artery disease
- Horizon League
- M. C. C. Higher Secondary School
- MC Championship
- MC2 (disambiguation)
- MCC (gene)
- MCC Interim Linux
- MCC Theater
- Macao Cultural Centre
- Macomb Community College
- Madison Community Cooperative
- Madisonville Community College
- Madras Christian College
- Madras Cricket Club
- Maendeleo Chap Chap Party
- Majority Coalition Caucus
- Malabar Christian College
- Manatee Community College
- Manchester Canoe Club
- Manchester Community College (Connecticut)
- Manchester Community College (New Hampshire)
- Mangalore City Corporation
- Manhattan Construction Company
- Maoist Communist Centre of India
- Marian Catholic College
- Maricopa County Community College District
- Maritime Christian College
- Marshalltown Community College
- Marylebone Cricket Club
- Mass Casualty Commission
- Massachusetts Consumers' Coalition
- Massasoit Community College
- Mathias Corvinus Collegium
- Matthews correlation coefficient
- Maui Community College
- Maximum clade credibility tree
- McClellan Airfield
- McHenry County College
- McLennan Community College
- Medical Cadet Corps
- Medical Council of Canada
- Mediterranean Conference Centre
- Melbourne Central Catholic High School
- Melbourne City Council
- Melbourne Cricket Club
- Memory chip controller
- Menard Correctional Center
- Mennonite Central Committee
- Mennonite Church Canada
- Mercator Research Institute on Global Commons and Climate Change
- Merchant category code
- Meridian Community College
- Merkel cell carcinoma
- Mesa Community College
- Mesalands Community College
- Mesoscale convective complex
- MetaComCo
- Methode Cap Classique
- Metro Catholic Conference
- Metropolitan Catholic Colleges Sports Association
- Metropolitan Community Church
- Metropolitan Community College (Missouri)
- Metropolitan Correctional Center, Chicago
- Metropolitan Correctional Center, New York
- Metropolitan Correctional Center, New York City
- Metropolitan Correctional Center, San Diego
- Metropolitan County Council
- Mexico City Capitanes
- Miaoli County Council
- Michelle Caruso-Cabrera
- Michigan Collegiate Conference
- Microbial Culture Collection
- Microcrystalline cellulose
- Microelectronics and Computer Technology Corporation
- Middelburgsche Commercie Compagnie
- Middlesex Community College (Connecticut)
- Middlesex Community College (Massachusetts)
- Middlesex County College
- Midland Community Center
- Midlands Christian College
- Midwest Collegiate Conference
- Millennium Challenge Corporation
- Milwaukee City Conference
- Mirzapur Cadet College
- Missile combat crew
- Mission Community Church
- Mission Control Centre (Cospas-Sarsat)
- Mission control center
- Mitchell Community College
- Mitsubishi Chemical Corporation
- Moberly Correctional Center
- Mobile cloud computing
- Mobile country code
- Mohave Community College
- Mondragón Cooperative Corporation
- Monroe Community College
- Montana Conservation Corps
- Montreal Comiccon
- Montserrat Community College
- Morgan Community College
- Mortgage Credit Certificate
- Moscow Central Circle
- Motor control center
- Motorcycle club
- Mott Community College
- Mouvement des Citoyens pour le Changement
- Mucociliary clearance
- Multi-crew cooperation
- Multiversion concurrency control
- Mulund College of Commerce
- Municipal Code Corporation
- Municipal Code of Chicago
- Muskegon Community College
- Muslim Canadian Congress
- Muslim Community Center
- Myanmar Convention Centre
- Mysore City Corporation
- Rochester Christian University
- Smart (automobile)
- Summit League
- Syro-Malankara Catholic Church