GTGA
| 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 |