| Acronym | Definition |
|---|
| GTAS➣Governmentwide Treasury Account Symbol (US Treasury) |
| GTAS➣Global Transfer Agency System (Atlantic Fund Services) |
| GTAS➣Geo-Targeted Alerting System |
| GTAS➣Grand Traverse Astronomical Society (Michigan) |
| GTAS➣Golden Triangle Audubon Society (bird watching; Texas) |
| GTAS➣Ground to Air Signal |
| GTAS➣Gators Take A Stand |