| AGA | Academia General del Aire 
| Others |
| AGA | Accredited Gemologists Association
| Others |
| AGA | Acute Gravity Attack
| Others |
| AGA | Advanced Graphics Adapter
| Others |
| AGA | Advanced Graphics Architecture
| Others |
| AGA | Adventure Game Aficionado
| Others |
| AGA | African Governance Architecture
| Others |
| AGA | After Global Anarchy
| Others |
| AGA | Agadir, Morocco
| Others |
| AGA | Aggressive Gaming Alliance
| Others |
| AGA | Air Ground Air
| Others |
| AGA | Akash Girish Abhishek
| Others |
| AGA | Aktiebolaget Gas Accumulator
| Others |
| AGA | Aktiebolaget Gasaccumulator Acknowledgements
| Others |
| AGA | Aktiebolaget Gasaccumulator Acknowlegements
| Others |
| AGA | Aktiengesellschaft Fur Automobilbau
| Others |
| AGA | Alaska Golf Association
| Others |
| AGA | Alignment Guide Assembly
| Others |
| AGA | American Galvanizers Association
| Others |
| AGA | American Gaming Association
| Others |
| AGA | American Gas Association
| Others |
| AGA | American Gastroenterological
| Others |
| AGA | American Gastroenterological Association
| Others |
| AGA | American Gelbvieh Association
| Others |
| AGA | American Genetic Association
| Others |
| AGA | American Go Association
| Others |
| AGA | American Grassfed Association
| Others |
| AGA | American Guild of Appraisers
| Others |
| AGA | American Gymnastics Association
| Others |
| AGA | American Gymnosophical Association
| Others |
| AGA | Annual General Adjustment
| Others |
| AGA | Annual General Assembly
| Others |
| AGA | Anthracite Golf Association
| Others |
| AGA | Anti Gliadin Antibodies
| Others |
| AGA | Anti-Gackt Association
| Others |
| AGA | Anti-Gliadin Antibodies
| Others |
| AGA | Appearance Group
| Others |
| AGA | Applied General Agency
| Others |
| AGA | Appropriate for Gestational Age
| Others |
| AGA | Aquatic Gardeners Association
| Others |
| AGA | Aquatic Gardeners Association's
| Others |
| AGA | Architectural Glass and Aluminum
| Others |
| AGA | Arizona Golf Association
| Others |
| AGA | Armenian Greek Arabic
| Others |
| AGA | Army Game Administrators
| Others |
| AGA | Army Game Admins
| Others |
| AGA | Army Gliding Association
| Others |
| AGA | Association Generale Automobile
| Others |
| AGA | Association of Global Automakers
| Others |
| AGA | Association of Government Accountants
| Others |
| AGA | Association of Government Accountants (US)
| Others |
| AGA | Association of Government Accounts
| Others |
| AGA | Audi Genuine Accessories
| Others |
| AGA | Australian Garrison Artillery
| Others |
| AGA | Australian Gas Association
| Others |
| AGA | Australian Grain Accumulation
| Others |
| AGA | Automatic Gas Accumulator
| Others |
| AGA | Automotive Glazing Academy
| Others |
| AGA | Automotive Global Awards
| Others |
| AGA | Automotive Grade Android
| Others |