GAC or Gac may refer to: Companies and organisations GAC Group, a Chinese automotive company based in Guangzhou, Guangdong GAC Ireland, an Irish bus manufacturer established with Bombardier (1980–1986) Games Administration Committee, a committee that organises fixtures within Gaelic games Geological Association of Canada Global Action for Children, an organization advocating for vulnerable children in the developing world Global Affairs Canada, a department of the Canadian federal government Gloster Aircraft Company, an aircraft manufacturing company based in Gloucester, England Entertainment Ghost Adventures Crew, the team featured on the Ghost Adventures television series Graphic Adventure Creator, a game creation system of the 1980s by Incentive software Great American Country, a family-oriented general entertainment cable TV channel General Amusement Corporation, an entertainment booking agency founded in the early 1930s Gamaliel Audrey Cantika, an Indonesian vocal group that won an award at the 3rd Indonesian Choice Awards Technology Global Assembly Cache, a component of Microsoft's .NET Framework Generic Artificial Consciousness, a database and software of Mindpixel Granular activated carbon, a highly porous and absorbent material used extensively in water filtration Other uses Globular Amphora culture, an archaeological culture in central Europe Global Assessment Certificate, a university preparation and foundation studies program Great American Conference, an NCAA Division II Conference formed in 2010 Guglielmo Achille Cavellini (1914–1990), influential art collector and mail artist GAC, a codon for the amino acid aspartic acid See also Gac, a Southeast Asian fruit of the species Momordica cochinchinensis Gać (disambiguation), a common Polish place-name Gach, Beyhaq Rural District, Sheshtomad District, Sabzevar County, Razavi Khorasan Province, Iran Gack, Gmina Drawno, Choszczno County, West Pomeranian Voivodeship, Poland