MDA

MDA, mda or variants may refer to:

Political parties

 * Meghalaya Democratic Alliance (2003–2008), in India
 * Meghalaya Democratic Alliance (2018–present), in India
 * Movement for Democracy in Africa, in Burkina Faso

Businesses and other organizations

 * MDA (company), a Canadian space technology company
 * Magen David Adom, Israel's emergency medical, disaster, ambulance and blood bank service
 * Malaysia Design Archive, a non-profit private organization
 * Media Development Authority, in Singapore
 * Medical Devices Agency, now part of Medicines and Healthcare products Regulatory Agency, in the UK
 * Minnesota Department of Agriculture, in the U.S.
 * Missile Defense Agency, an agency of the U.S. Department of Defense
 * Muscular Dystrophy Association, an American organization
 * Museum Documentation Association, now Collections Trust, a British charity
 * Myanmar Dental Association, a professional association

People

 * A. P. Mda (1916-1993) South African political activist
 * Zakes Mda (born 1948) South African author

Computing and electronics

 * MDA framework (Mechanics-Dynamics-Aesthetics), a tool used to analyze games
 * Message delivery agent, software to route e-mails
 * Mechanical design automation, a branch of computer-aided design
 * Microconnect distributed antenna, a kind of transmitter/receiver
 * T-Mobile MDA (Mobile Digital Assistant), a mobile phone
 * Model-driven architecture, a software design approach
 * IBM Monochrome Display Adapter, a video display card and computer display standard

Chemistry

 * 3,4-Methylenedioxyamphetamine, known as MDA, a recreational drug
 * 4,4'-Methylenedianiline, an industrial chemical
 * Malondialdehyde, an organic compound
 * Medium-density amorphous ice, a phase of ice
 * Metal deactivator or metal deactivating agent, stabilising fuel additive

Other uses in science and technology

 * MDa, mega Dalton (unit), a non-SI unit of mass
 * Mass drug administration
 * Mean directional accuracy, a measure of prediction accuracy of a forecasting method in statistics
 * Mesocyclone detection algorithm
 * Minimum detectable activity, in whole-body counting measuring radioactivity
 * Multiple discriminant analysis, a multivariate dimensionality reduction technique
 * Multiple displacement amplification, a DNA amplification technique

Other uses

 * Moldova, a country in Europe, ISO 3166-1 country code MDA
 * MDA (TV series), a Australian TV show
 * MD&A, management discussion and analysis, part of a financial statement
 * Maritime domain awareness, understanding the maritime domain that could impact security, safety, economy, or environment
 * Master of Defence Administration, a degree awarded by Cranfield School of Management
 * Methods, data, analyses, academic journal for survey methodology
 * Minimum descent altitude in an instrument approach in aviation
 * Mada language, ISO 939-3 language code mda
 * Leica MDa, a variant of the Leica M1 camera