| Acronym | Definition |
|---|
| TMTA➣Transmeta (stock symbol) |
| TMTA➣Texas Motor Transportation Association (Austin, TX) |
| TMTA➣Texas Music Teachers Association |
| TMTA➣Tennessee Mathematics Teachers Association |
| TMTA➣Topeka Metropolitan Transit Authority |
| TMTA➣Truro Morlaix Twinning Association (UK) |