# MCA

MCA may refer to:

## Science and technology
### Astronomy

* Mars-crossing asteroid, an asteroid whose orbit crosses that of Mars

### Aviation

* Minimum crossing altitude, a minimum obstacle crossing altitude for fixes on published airways
* Medium Combat Aircraft, a 5th generation fighter aircraft in India's HAL AMCA (Advanced Medium Combat Aircraft) program
* Macenta Airport, Guinea (by IATA code)
* Ministry of Civil Aviation (United Kingdom) from 1941 to 1953

### Biology and chemistry

* MacConkey agar, a selective growth medium for bacteria
* Monochloroacetic acid, carboxylic acid, manufactured by chlorinating acetic acid
* Methylcholanthrene, a carcinogen
* Methyl cyanoacrylate, an organic compound
* Metabolic control analysis, analysing how the control of fluxes and intermediate concentrations in a metabolic pathway is distributed
* Middle cerebral artery, one of the three major blood supplies to the brain

### Climate

* Medieval Climatic Anomaly (Medieval Warm Period, also Medieval Climate Optimum), a notably warm climatic period in the North Atlantic region from about 950 to 1250.

### Statistics and data science

* Membership categorization analysis, a method of studying categorization in interaction
* Multiple correspondence analysis

### Technology

* Machine Check Architecture, a method for a CPU to report hardware errors to an operating system
* Maximum credible accident, a postulated scenario that a nuclear facility must be able to withstand
* Micro Channel architecture, a type of computer bus
* Mitsubishi MCA, an emissions control approach for gasoline-powered vehicles during the 1970s
* Movable cellular automaton
* Multichannel analyzer, instrument recording pulse counts at a range of (esp. photon energy) levels

## Companies and organizations
### Companies

* MCA Inc., a now defunct company (originally called Music Corporation of America) and its subsidiary companies:
** MCA Records
** MCA Nashville Records
** MCA Home Video, former name of Universal Pictures Home Entertainment
** MCA Music Inc. (Philippines), a Philippine branch of Universal Music Group which uses the MCA brand due to a trademark issue
* Maubeuge Construction Automobile (MCA), a subsidiary of French car manufacturer Renault
* Minato Communications Association, a former company name of the Japan Electronics and Information Technology Industries Association

### Sports

* MC Alger, a football club based in Algiers, Algeria
* Manitoba Curling Association, Manitoba, Canada
* Maharashtra Cricket Association, Pune, India
** Maharashtra Cricket Association Stadium, Pune, India
* Margaret Court Arena, Melbourne, Australia
* Mumbai Cricket Association, Mumbai, India

### Government and politics

* Malaysian Chinese Association, a political party in Malaysia
* Maritime and Coastguard Agency, an agency of the United Kingdom Government
* Medicines Control Agency, which merged with the Medical Devices Agency to become the Medicines and Healthcare products Regulatory Agency in the UK
* Millennium Challenge Account, a U.S. program for aid to developing countries
* Ministry of Corporate Affairs, an Indian government ministry
* MultiCultural Aotearoa, a New Zealand political action group

### Other organizations

* Maharashtra Chess Association
* Medal Collectors of America
* Metal Construction Association
* Metropolitan Church Association, Methodist denomination in the holiness movement
* Minerals Council of Australia
* MotorCoach Australia
* Multicore Association, an industry association regrouping companies and universities interested in multicore computing research
* Mumbai Cricket Association, ruling body for cricket in Mumbai
* Museum of Contemporary Art (disambiguation), numerous museums around the world
* Music Council of Australia, former peak body for music in Australia (1993–2020)

## Education
### Degrees

* Master in Customs Administration, a trade-related graduate degree offered in PMI Colleges in the Philippines
* Master of Computer Applications, a postgraduate degree in computer science offered in India

### Educational institutions

* Marist College Ashgrove, an Australian School
* McIntosh County Academy, a high school in McIntosh County, Georgia, United States
* Memphis College of Art, an art school in Tennessee, United States
* Morrison Christian Academy, an American school in Taiwan

### Professional courses

* Microsoft Certified Architect, a certification available from Microsoft
* Minnesota Comprehensive Assessments—Series II, a standardized test in Minnesota

## Legal

* Depository Institutions Deregulation and Monetary Control Act, a US financial statute passed in 1980
* Mental Capacity Act 2005, an Act of the Parliament of the United Kingdom applying to England and Wales
* Military Commissions Act of 2006, US legislation

## People

* Adam Yauch (1964–2012), a.k.a. "MCA", of the Beastie Boys
* Michiel van den Bos (born 1975), a.k.a. "M.C.A.", Dutch composer
* Chris Avellone (born 1971), a.k.a. "MCA", American video game designer

## Other uses

* The Maká language (ISO 639-3 Code)
* Middle Class Abbayi, a 2017 Indian film also known as MCA
* Motor Coach Age, the magazine of the Motor Bus Society