| Acronym | Definition |
|---|
| ASTG➣Aussensteuergesetz (German: Foreign Tax Law) |
| ASTG➣Aerospace Test Group (NASA) |
| ASTG➣Asynchronous Signal Transition Graph |
| ASTG➣Auto Sales Training Group (career training) |
| ASTG➣Advanced Systems Technology Group (various locations) |
| ASTG➣All States Tax Guide |