GA

GA, Ga, or ga may refer to:

Linguistics

• Ga language
• Irish language (ISO 639-1 code)
• Ga (Indic), a glyph in the Brahmic family of scripts
• Ga (Javanese) (ꦒ), a letter in the Javanese script

Businesses, organisations, and government agencies

• Gamblers Anonymous, a support group for recovering gamblers
• [Gazte Abertzaleak] Error: {{Lang}}: text has italic markup (help) or Young Patriots, the youth organization of Eusko Alkartasuna
• 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
• Government Arsenal, an agency of the Philippine government under the Department of National Defence
• General Atlantic, a company
• General Automation, a company

Places

• Ga District, Ghana, a former district of southern Ghana
• Gã State, a traditional state in southern Ghana headed by the Ga Mantse
• Ga-Rankuwa, a town in South Africa
• Gabon (ISO 3166-1 alpha-2 code)
• The Gambia (FIPS 10-4 country code)
• Goa (ISO 3166-2 country subdivision code)
• Georgia (U.S. state) (postal abbreviation)

Science and technology

Biology and medicine

• General anaesthesia, administration of drugs to induce unconsciousness prior to surgery
• Gestational age, the age of an embryo/fetus
• Gibberellin, a plant growth hormone

Chemistry

• Gallium, a chemical element with symbol Ga

Computing and mathematics

• General availability, the final stage in the software development lifecycle
• Genetic algorithm, an optimization technique in computer science
• Geometric algebra, a formulation of geometry and algebra tying together other geometric formulations in mathematics

Other sciences

• Giga-ampere or GA, an SI unit of electric current equal to 1,000,000,000 (one billion) amps
• Giga annum or Ga, a unit of time equal to 1,000,000,000 (one billion) years.
• Tabun (nerve agent) (NATO designation GA)

Transportation

• General aviation, the category of civil aviation encompassing all non-scheduled aircraft flights
• Garuda Indonesia (IATA code)
• Georgia Railroad and Banking Company (AAR mark)

Other uses

• Ga people, an ethnic group of Ghana
• GA Geijutsuka Art Design Class, an ongoing 2004 manga series by Satoko Kiyuduki
• General American, an accent of the Midwestern U.S.
• General assembly (disambiguation)
• General of the Army, a five star General
• Girls Aloud, a five-piece British girl band
• Graduate assistant
• Ga or Gandhara, a basic note of the scale in Indian Music Swara
• Go Ahead, in a Telecommunications device for the deaf
• Goals against, a statistic in ice hockey and other sports