Ga

GA or Ga may refer to:

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• The Ga people, an ethnic group of Ghana
• the Ga language, the language spoken by the Ga people
• Gabon (ISO 3166-1 alpha-2 country code)
• Gallium (chemical symbol)
• Giga-annum, a time period of one billion (10⁹) years
• Garuda Indonesia airline (IATA code)
• General assembly
• General Aviation
• Genetic algorithm
• Georgia, U.S. state (postal abbreviation)
• Germantown Academy, the oldest nonsectarian day school in the United States
• Irish language, the ISO 639 alpha-2 code, from Irish Gaeilge
• Tabun ("GA"), a nerve agent
• Girls Aloud, a British girl group, winners of .
• Galaxy Angel
• General American, a variety of American English
• General authority (Mormonism)
• Gameboy Advance, made by Nintendo.