| Acronym | Definition |
|---|
| GMTA➣Great Minds Think Alike |
| GMTA➣Galicia Maxica Trail Adventure (Galicia, Spain) |
| GMTA➣Georgia Motor Trucking Association |
| GMTA➣Georgia Music Teachers Association |
| GMTA➣German Medical Technology Alliance |
| GMTA➣Guam Mass Transit Authority |
| GMTA➣Greenfield Montague Transportation Area |
| GMTA➣Green Mountain Transit Agency (Vermont) |
| GMTA➣Global Mean Temperature Anomaly |
| GMTA➣Gainesville Music Teachers Association |
| GMTA➣Gloucester Music Teachers Association |
| GMTA➣Goals-Means Task Analysis |
| GMTA➣Greater Madison Tennis Association (Wisconsin) |
| GMTA➣Greenwich Musical Theatre Academy (UK) |
| GMTA➣Greater Metropolitan Toronto Area |
| GMTA➣General Motors Technical Academy |
| GMTA➣Grand Manan Tourism Association |
| GMTA➣Give Me the Answer |
| GMTA➣Group Mortgage Term Assurance |
| GMTA➣Genetically Modified Total Annihilation (game) |
| GMTA➣Graduate Merit Tuition Awards |