MDA

MDA, mda, or variation, may refer to:

Places[edit]

Collections Trust, formerly the Museum Documentation Association, a U.K.-based charity
Everytown for Gun Safety or Moms Demand Action, an American group that advocates for increased gun control
Magen David Adom (Hebrew: מגן דוד אדום, "Red Star of David"), the national aid organization of Israel and affiliate of the International Red Cross and Red Crescent Movement
Malaysia Design Archive, an archive in Kuala Lumpur, Malaysia
Maritime domain awareness, part of a U.S. Government inter-agency and international maritime security effort
Maxar Technologies, a Canadian-American aerospace company formerly called MDA prior to 2018
MDA (company), a Canadian aerospace technology company
Media Development Authority, a now-defunct statutory board in the Singapore government, now part of Infocomm Media Development Authority
Medical Devices Agency, now a part of Medicines and Healthcare products Regulatory Agency
Medical Device Authority (pihak berkusa peranti perubatan) of Malaysia
Minnesota Department of Agriculture
Missile Defense Agency, an agency of the US Department of Defense
Movement for Democracy in Africa, a political party in Burkina Faso
Muscular Dystrophy Association, an American organization that funds research into muscular dystrophy and other diseases
Myanmar Dental Association, a professional association of Burmese dentists

Mail delivery agent, software that routes e-mail to its destination
Mechanical design automation, a branch of computer-aided design
Message-driven architecture, an alternative name for event-driven architecture
Mobile document access, the retrieval of documents using a mobile computer
Model-driven architecture, a software design approach
Microconnect distributed antenna, a kind of transmitter/receiver
IBM Monochrome Display Adapter (also called MDA or MDA card), a computer display standard
Mobile digital assistant, series of T-Mobile branded PDA-like mobile phones
MDA framework, a model used in game design to analyze games

Maternally derived antibodies, or maternal antibodies naturally acquired, a type of passive immunity
Mean directional accuracy, metric to evaluate a forecasting method
Minimum detectable activity, the lowest value a radiation detector can measure within the human body
MDA5, melanoma differentiation-associated protein 5

Mass drug administration
2,3-Methylenedioxyamphetamine (2,3-MDA), an amphetamine drug
3,4-Methylenedioxyamphetamine (3,4-MDA or tenamfetamine), an amphetamine drug known for its recreational use
Misuse of Drugs Act 1971, an act of the Parliament of the United Kingdom
MDA prescriptions are medical prescriptions for drugs covered by the Misuse of Drugs Act (Ireland)

Malondialdehyde, organic compound with the chemical formula CH₂(CHO)₂
Medium-density amorphous ice, a form of water
Metal deactivator or metal deactivating agent, fuel additives and oil additives used to stabilize fluids by deactivating metal ions
Multiple displacement amplification, a non-PCR based DNA amplification technique
4,4'-Methylenedianiline, an industrial chemical
MDa, a megadalton (one million daltons), where a dalton is a synonym for an atomic mass unit (amu)

MDA (TV series), a medico-legal television show set in Australia
Management discussion and analysis
Mesocyclone detection algorithm, an automated software discriminator of a mesocyclone within a thunderstorm detected by Doppler weather radar
Multiple discriminant analysis, a method for compressing a multivariate signal to yield a lower-dimensional signal amenable to classification
IBM Monochrome Display Adapter, screen display standard
Minimum descent altitude in an instrument approach (aviation)