| Acronym | Definition |
|---|
| TGAS➣The Great American Songbook (more commonly seen as GAS) |
| TGAS➣The Great Arts Send-Off (University of British Columbia; Canada) |
| TGAS➣The Group at Strasberg (Lee Strasberg Creative Center; West Hollywood, CA) |
| TGAS➣The Gospel According to Starbucks (Leonard Sweet book) |
| TGAS➣TACAN Guidance Augmentation System |
| TGAS➣Trace Gas Analysis System |