MCA

MCA may refer to:

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

 * 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
 * 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)

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