| Acronym | Definition |
|---|
| TGCA➣Texas Girls Coaches Association (Austin, TX) |
| TGCA➣Texas Gun Collectors Association |
| TGCA➣Texas Grocery & Convenience Association |
| TGCA➣Transportable Group Control Approach |
| TGCA➣Toronto Guild of Civic Art (Canada) |
| TGCA➣Team Garbolino Carpe Availlaise (French fishing club) |
| TGCA➣Troubles Graves des Conduites Alimentaires |