GA, Ga, or ga may refer to:
Organisations Businesses Garuda Indonesia (IATA airline code GA) General Assembly, a digital and technology training company General Atlantic, a private equity company General Atomics (formerly GA Technologies Inc.), a U.S. defense contractor General Automation, a former computer manufacturer Georgia Railroad and Banking Company (AAR mark) Greater Anglia, a UK train operating company
Other organizations Gamblers Anonymous, a support group for recovering gamblers or Young Patriots, the youth organization of Eusko Alkartasuna General assembly (disambiguation) United Nations General Assembly, the main deliberative organ of the United Nations Geographical Association, a UK organisation dedicated to the teaching of geography Geologists' Association, a UK organisation dedicated to the study of geology Geoscience Australia, an Australian organisation dedicated to geoscientific research Germantown Academy, an independent school in Fort Washington, United States Government Arsenal, an agency of the Philippine government under the Department of National Defence
Linguistics Languages and dialects Ga language General American English, an accent of the Midwestern U.S. Irish language (ISO 639-1 code "ga")
Characters Ga (Indic), a glyph in the Brahmic family of script Ga (Javanese) (ꦒ), a letter in the Javanese script Ga (kana), in Japanese
Places Africa Ga District, Ghana, a former district of southern Ghana Gã State, a traditional state in southern Ghana headed by the Gã Mantse Ga-Rankuwa, a town in South Africa Gabon (ISO 3166-1 alpha-2 code) The Gambia (FIPS 10-4 country code)
Other places Goa, in India (ISO 3166-2 country subdivision code GA) Georgia (U.S. state) (postal abbreviation GA)
Science and technology Biology and medicine General anaesthesia, administration of drugs to induce unconsciousness prior to surgery Geographic atrophy, an advanced form of age-related macular degeneration Gestational age (obstetrics), in pregnancy, the time since onset of last menstrual period Embryonic age or gestational age, the length of gestation since fertilization Gibberellin, a plant growth hormone Tabun (nerve agent) (NATO designation GA)
Computing .ga, the country code top-level domain for Gabon General availability, the final stage in the software development lifecycle Genetic algorithm, an optimization technique in computer science Google Analytics, a web analytics service provided by Google
Other uses in science and technology Gallium (symbol Ga), a chemical element General aviation, the category of civil aviation encompassing all non-scheduled aircraft flights Geometric algebra, a Clifford algebra used in a geometric context Gigaampere (GA), an SI unit of electric current equal to 1,000,000,000 (one billion) amps Gigaannum (Ga), a unit of time equal to 1,000,000,000 (one billion) years. Globular Amphora culture, an archaeological culture in Europe Go Ahead, in a telecommunications device for the deaf The additive group scheme, denoted Ga
Sport Goal attack, a position in netball Goals against, a statistic in ice hockey and other sports Games ahead, a less common version of the games behind statistic in baseball
Other uses GA Geijutsuka Art Design Class, an ongoing 2004 manga series by Satoko Kiyuzuki Gandhara or Ga, a basic note of the scale in Indian music, or Svara Ga people, an ethnic group of Ghana General of the Army, a military rank Global affairs, abbreviated GA, alternative term for International relations, the study of politics, economics and law on a global level Graduate assistant, a role in academia and in U.S. college sports