AGS

AGS may refer to:

Businesses

 * AGS (motorcycle manufacturer), a motocross bicycle manufacturer
 * AGS Entertainment, a film production company in India
 * Alabama Great Southern Railroad, US
 * Automobiles Gonfaronnaises Sportives, a defunct Formula 1 team

United Kingdom

 * Aberdeen Grammar School, Scotland
 * Acklam Grange School, Middlesbrough, England
 * Adams' Grammar School, Newport, Shropshire, England
 * Alcester Grammar School, Warwickshire, England
 * Antrim Grammar School, County Antrim, Northern Ireland
 * Aylesbury Grammar School, Buckinghamshire, England

Elsewhere

 * Alaqsite'w Gitpu School, Listuguj, Quebec, Canada
 * Alliance Graduate School, Quezon City, Philippines
 * American Graduate School in Paris, France
 * American Graduate School of International Relations and Diplomacy, Paris, France
 * Arkansas Governor's School, Conway, Arkansas, U.S.
 * Auckland Grammar School, New Zealand

Government and politics

 * Alberta Geological Survey, Canada
 * An Garda Síochána, the Irish police force
 * Australian Government Solicitor

Societies

 * Alpha Gamma Sigma (honor society)
 * American Gem Society
 * American Geographical Society
 * American Geriatrics Society
 * Atlantic Geoscience Society

Other organizations

 * Alpha Gamma Sigma (fraternity)

Places

 * Argyle Street railway station, Glasgow, Scotland
 * Augusta Regional Airport in Augusta, Georgia, US

Medicine

 * Acute grass sickness, a horse disease
 * Adrenogenital syndrome, resulting in hormone imbalance etc.
 * Aicardi–Goutières syndrome, a rare genetic disorder with a variety of symptoms (neurological, development delays, skin rashes etc.)
 * Alpha-gal syndrome, a meat allergy resulting from a tick bite

Military technology

 * AGS-17, the Soviet-designed automatic grenade launcher
 * AGS-30, successor of AGS-17
 * Advanced Gun System
 * Airborne Ground Surveillance, a class of military airborne radar systems
 * Alliance Ground Surveillance
 * Armored Gun System, or the M8 Armored Gun System light tank
 * Surveying ship (AGS), a US Navy hull classification symbol

Other uses in science and technology

 * Adventure Game Studio, a development tool for graphic adventure games
 * AGS-101, a back-lit model of the Game Boy Advance SP
 * Alternating Gradient Synchrotron, a particle accelerator
 * Annualized Geothermal Solar, a passive building heating technology
 * Apollo Abort Guidance System, a backup computer providing abort capability on the Apollo Lunar Module
 * Silver sulfide (Ag2S)

Other uses

 * American Government Simulation, a government simulation game
 * The Esimbi language (ISO 639-3 code asi)