| Acronym | Definition |
|---|
| GTGA➣Gavel to Gavel Alaska (government TV coverage) |
| GTGA➣Groome Transportation of Georgia, Inc. (Macon, GA) |
| GTGA➣Government to Government Assurance (nuclear supplies) |
| GTGA➣Giving the Game Away (Thunder album) |
| GTGA➣Georgia Turf Grass Association |