| Acronym | Definition |
|---|
| AGT | Agreement |
| AGT | Agent |
| AGT | Against |
| AGT | Australia's Got Talent (TV show) |
| AGT | America's Got Talent (TV show) |
| AGT | Angiotensinogen |
| AGT | Algebraic and Geometric Topology |
| AGT | O6-Alkylguanine-DNA Alkyltransferase |
| AGT | Alanine-Glyoxylate Amniotransferase (enzymology) |
| AGT | Acides Gras Trans (French: Trans Fatty Acid) |
| AGT | Advanced Global Technology |
| AGT | Agent File |
| AGT | Automated Guideway Transit |
| AGT | Azerbaijan-Georgia-Turkey (pipeline project) |
| AGT | Applied Global Technologies |
| AGT | A Global Threat (band) |
| AGT | Atmospheric Glow Technologies |
| AGT | Adventure Game Toolkit (text adventure creation system) |
| AGT | Applied Graphics Technologies |
| AGT | Advanced Glider Training (UK) |
| AGT | Automated Guided Transit |
| AGT | Association of Gardens Trusts |
| AGT | Australian Grain Technologies |
| AGT | Alberta Government Telephone |
| AGT | Administration Generale et Territoriale |
| AGT | Audubon Golf Trail |
| AGT | Advanced Gas Turbine |
| AGT | Agent Trade |
| AGT | Alkyl Guanine Transferase |
| AGT | Association of Government Toxicologists |
| AGT | Above Ground Tank |
| AGT | Association of Genetic Technologists, Inc. |
| AGT | Automotive Garage Tools |
| AGT | Advanced Guard Tower (Command and Conquer video game) |
| AGT | Algorithmic Graph Theory |
| AGT | Associació Gironina de Teatre |
| AGT | African Geography Tutor |
| AGT | Advanced Graphics Technologies |
| AGT | Asesoria y Gestion Tecnica |
| AGT | Astral Gemstone Talisman |
| AGT | All in Good Taste |
| AGT | Adventure Game Theater |
| AGT | Advanced Gel Technology Ltd. |
| AGT | Applications of Graph Theory |
| AGT | Advanced Generator Technology |
| AGT | Advanced Ground Transport |
| AGT | American Gasket Technologies, Inc. |
| AGT | Arizona Green Tea |
| AGT | Advanced Gun Technology (US DoD) |
| AGT | Applied Geographic Technologies |
| AGT | Avestha Gengraine Technologies Pvt, Ltd (India) |
| AGT | Authors' Group of Translators |
| AGT | Associazione Giuristi per il Turismo |
| AGT | AimGlobal Technologies, Inc. (stock symbol) |
| AGT | Academy of Grain Technology |
| AGT | Aktions Gemeinschaft für Tiere |
| AGT | Aboriginal Group Training |
| AGT | Algebraic General Topology |
| AGT | Arbeitsgemeinschaft Touristik |
| AGT | Automated Gateway Transit |
| AGT | Academically Gifted and Talented |
| AGT | Advanced Geotechnical Testing, Inc. |
| AGT | Above Ground Tests |
| AGT | Advanced Guidance Technology |
| AGT | Anode Gate Thyristors |
| AGT | AEELS Ground Terminal |
| AGT | All Good Thoughts |
| AGT | Associaçio Gaucha de Taekwando |
| AGT | Alabama Great Southern Railroad Corporation (former stock symbol - now delisted) |
| AGT | Authorized Gas Tester |