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
  • Music Corporation of America, the Nashville-based operations of Universal Music Group
  • 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

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

Other

  • Metro College Alliance, a consortium of colleges in Fargo-Moorhead, USA
  • 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

  • Merchant cash advance, a form of business funding/financing through the purchase of future receivables
  • 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
  • Mecheda railway station (station code: MCA) in West Bengal, India