GAA

GAA may refer to the following:

Compounds

• Glacial (water-free) acetic acid
• Acid alpha-glucosidase, also known as glucosidase, alpha; acid, an enzyme
• a codon for glutamic acid

Government

• GADA 601, Argentine Army unit Grupo de Artillería Antiaérea 601 (Anti-Aircraft Artillery Group 601)
• General Appropriation Act, the legislative act used in some countries for a national or state budget
• General Allotment Act, US law passed in 1887, that authorized the President of the United States to survey Indian tribal land and divide the land into allotments for individual Indians

Organisations

• Gaelic Athletic Association, governing body of Gaelic games such as hurling and Gaelic football
• Gay Activists Alliance, New York City gay rights organisation 1969-81
• Gemmological Association of Australia, an educational organisation based in Sydney
• Global Action on Aging, a non-profit organisation based at the United Nations
• Global Accounting Alliance, an accounting organisation
• Graphic Arts Academy, the former name for the Academy of Entertainment Arts program
• Grenada Athletic Association, the governing body for the sport of athletics in Grenada
• Guam Adventist Academy, a private school in Guam

Technology

• Ford GAA engine
• Generic Authentication Architecture, a mobile phone specification

Other uses

• GAA, the ICAO airline code for Business Express Airlines
• Ga language, ISO 639-2 code gaa
• Goals against average, goalkeeping statistic used by several sports and many leagues
• Good Afternoon America, a 2012 talk show daytime series, that aired on ABC