| Acronym | Definition |
|---|
| Ags | Aguascalientes (Mexican state) |
| Ags | American Gem Society |
| Ags | American Geriatrics Society |
| Ags | Armadyl Godsword (gaming) |
| Ags | Alliance Ground Surveillance (NATO) |
| Ags | Alpha Gamma Sigma (scholastic honor society) |
| Ags | Alaska Geographic Society |
| Ags | Alliance for Global Sustainability |
| Ags | Alagille Syndrome |
| Ags | Australian Geomechanics Society |
| Ags | Active Global Support (SAP) |
| Ags | Alpine Garden Society |
| Ags | Accounting and General Services (Hawaii) |
| Ags | Advanced Gun System |
| Ags | Above Ground Surface (measurement above ground surface) |
| Ags | Air Guard Station (US military) |
| Ags | Aircraft Generation Squadron |
| Ags | Adaptive Gearbox Shift |
| Ags | Advanced Graphics |
| Ags | Adaptive Grid Services |
| Ags | Adult and Graduate Studies |
| Ags | American Geographical Society |
| Ags | Associated Global Systems (New Hyde Park, NY) |
| Ags | Administrator of General Services |
| Ags | Atlanta Girls' School (Atlanta, GA) |
| Ags | Adrenogenital Syndrome (disorder) |
| Ags | Adventure Game Studio |
| Ags | Airborne Ground Surveillance (NATO) |
| Ags | Alternating Gradient Synchrotron |
| Ags | Associate of General Studies |
| Ags | Survey Ship (US Navy ship designation) |
| Ags | Auditor General for Scotland (UK) |
| Ags | Australian Government Solicitor |
| Ags | Americans for Gun Safety |
| Ags | American Gerbil Society |
| Ags | Allied Geographic Section |
| Ags | Armored Gun System |
| Ags | Association for Gravestone Studies (founded in 1977) |
| Ags | Army Group South (gaming; Australia) |
| Ags | American Gemological Society |
| Ags | American Goat Society (Broad Run, VA) |
| Ags | Applied Geographic Solutions |
| Ags | American Glaucoma Society |
| Ags | Auckland Grammar School (New Zealand) |
| Ags | Adobe Global Services |
| Ags | Analysis Ground Station (Sagem) |
| Ags | Any Given Sunday (movie) |
| Ags | Aggressive Growth Strategy |
| Ags | Alaska General Seafoods |
| Ags | American Ghost Society |
| Ags | Atlantic Geoscience Society |
| Ags | American Guidance Service, Inc. |
| Ags | Advanced Guidance System |
| Ags | Aylesbury Grammar School |
| Ags | Association of Geotechnical and Geoenvironmental Specialists |
| Ags | Advanced Graphics Software (various locations) |
| Ags | Acting General Secretary (various organizations) |
| Ags | Agricultural Support Systems Division |
| Ags | Anesthetic Gas Scavenging (medical equipment) |
| Ags | Alberta Government Services (Alberta, Canada) |
| Ags | Alberta Genealogical Society |
| Ags | Aviation Ground Support |
| Ags | Aicardi Goutières Syndrome |
| Ags | American Gourd Society |
| Ags | Arkansas Governor's School |
| Ags | Abort Guidance System |
| Ags | Adobe Graphics Server |
| Ags | Adtech Global Solutions (Alpharetta, GA) |
| Ags | American Glovebox Society |
| Ags | Automated Graphic Systems, Inc. (White Plains, Maryland) |
| Ags | Army General Staff |
| Ags | Airborne Gravity System |
| Ags | Automobiles Gonfaronnaises Sportives (French Formula 1 Team) |
| Ags | Annualized Geo-Solar (heating technique, construction) |
| Ags | American Guitar Society |
| Ags | Allegis Group Services |
| Ags | Alaska Ground Station |
| Ags | Aviation Group Supervisor |
| Ags | Association Genevoise des Sports |
| Ags | Austin Genealogical Society |
| Ags | Augusta, GA, USA - Bush Field (Airport Code) |
| Ags | Anti Graffiti-Systeme |
| Ags | Architectural Graphics Standards |
| Ags | Advanced Grading Specialists |
| Ags | Alabama Great Southern Railroad Company |
| Ags | Administração e Gestão de Sistemas de Salubridade (Portugese: Management of Salubrity Systems) |
| Ags | Adler Graduate School |
| Ags | American Grounding Systems |
| Ags | Apostoliese Geloofsending (Apostolic Faith Mission, South Africa) |
| Ags | Adolescent Guidance Services |
| Ags | Adventure Game Studios |
| Ags | Alternating Gradient Synchroton |
| Ags | Antarctic Geodesy Symposium |
| Ags | American Guide Services, Inc. |
| Ags | Atelier Graphique Saunière (French graphics workshop) |
| Ags | Anti-G Suit |
| Ags | Aegis Corporation |
| Ags | Analytical Gas Systems |
| Ags | Academy of Gandhian Studies (Tirupati, India) |
| Ags | Advanced Geosynchronous Studies |
| Ags | Annulus Gas System |
| Ags | Armor Grip Suspension |
| Ags | Art Galleries in Switzerland |
| Ags | Authentic Gaming Supply (Rochester, NY) |
| Ags | Anthony Gell School (UK) |
| Ags | Amboy Generator Service (Cliffwood, NJ, USA) |
| Ags | Asynchronous Gateway Server |
| Ags | Agency Grievance System |
| Ags | Amplonius-Gymnasium Rheinberg (Germany) |
| Ags | Ascent Guidance Subframe |
| Ags | Arizona Gourd Society |
| Ags | Advanced Gigabit Satellite (NEC) |
| Ags | Arizona Geological Society, Inc. |
| Ags | Anti-Gravity Suit |
| Ags | Association of General Clinical Research Center Statisticians |
| Ags | Auxiliary General Survey |
| Ags | Australian Golf Schools |
| Ags | Advanced Gunnery System |
| Ags | American Gourmet Secret |
| Ags | Andrea Griffin Stewart (poet) |
| Ags | Altus Ground Station |
| Ags | Aviation Golf Services |
| Ags | Agency of Global Security |
| Ags | Ambiguity Group Size |
| Ags | Airborne Gamma Spectroscopy |
| Ags | Associated Graduate Studies |
| Ags | Amara Global Services |
| Ags | Airport Ground Service Ltd |
| Ags | ASMR (Autonomous Sensory Meridian Response) Godlike Series (YouTube series) |
| Ags | Avtomaticheskiy Granatomet Stankouyy (Russian automatic grenade launcher) |