GA

GA, Ga, or ga may refer to:

Places

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

Anthropology

• Ga people, an ethnic group of Ghana
• General American, an accent of the Midwestern U.S.

Linguistics

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

Organisations and government agencies

• Gamblers Anonymous, a support group for recovering gamblers
• Gazte Abertzaleak 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

Science and technology

• Gallium or Ga, an element
• General availability, the final software development stage
• General anaesthesia, administration of drugs to induce unconsciousness prior to surgery
• Genetic algorithm, an optimization technique in computer science
• Geometric algebra, a formulation of geometry and algebra tying together other geometric formulations in mathematics
• Gestational age, the age of an embryo/fetus
• Gibberellin, a plant growth hormone
• 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)'s NATO designation

Transportation

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

Other uses

• GA Geijutsuka Art Design Class, an ongoing 2004 manga series by Satoko Kiyuduki
• General assembly (disambiguation)
• General of the Army, a five star General
• Graduate assistant
• Ga or Gandhara, a basic note of the scale in Indian Music Swara
• Go Ahead in a Telecommunications device for the deaf
• General Automation, a company