| AGT | Able Gifted and Talented 
| Others |
| AGT | Above Ground Test
| Others |
| AGT | Academically Gifted and Talented
| Others |
| AGT | Accelerated Growth Technique
| Others |
| AGT | Adolf Grooms Tricksters
| Others |
| AGT | Advanced Gatling Turret
| Others |
| AGT | Advanced Gear Train
| Others |
| AGT | Advanced Geophysical Technology
| Others |
| AGT | Advanced German Technology
| Others |
| AGT | Advanced Global Technology
| Others |
| AGT | Advanced Global Travellers
| Others |
| AGT | Advanced Green Technologies
| Others |
| AGT | Advanced Ground Topology
| Others |
| AGT | Adventure Game Theater
| Others |
| AGT | Adventure Game Toolkit
| Others |
| AGT | AEELS (Automated ELINT (Electronic Intelligence) Emitter Location System) Ground Terminal
| Others |
| AGT | Aerial Glide Toss
| Others |
| AGT | Age Group Training
| Others |
| AGT | Agent
| Others |
| AGT | Agent File
| Others |
| AGT | Agriculture Graduate Trainee
| Others |
| AGT | Airwork General Trading
| Others |
| AGT | Alfetta Gt
| Others |
| AGT | Algebra Geometry and Trigonometry
| Others |
| AGT | Alternate Grand Tour
| Others |
| AGT | America's Got Talent
| Others |
| AGT | American Gaming Technologies
| Others |
| AGT | American Gene Technologies
| Others |
| AGT | American Girl of Today
| Others |
| AGT | American Grand Touring
| Others |
| AGT | American Green Technology
| Others |
| AGT | Americas Got Talent
| Others |
| AGT | Anomalous Gauge Theory
| Others |
| AGT | Antique Gold Thread
| Others |
| AGT | Association of Genetic Technologists
| Others |
| AGT | Athletic Group Training
| Others |
| AGT | Australian Grand Touring
| Others |
| AGT | Automated Golf Tee
| Others |
| AGT | Automated Guided Transit
| Others |
| AGT | Automated Guideway Transit
| Others |
| AGT | Automated Guideway Transport
| Others |
| AGT | Automatic Gear Transmission
| Others |
| AGT | Automotive Gas Turbines
| Others |
| AGT | Automotive Group Training
| Others |
| AGT | Ciudad Del Este, Paraguay
| Others |