| Acronym | Definition |
|---|
| TSDA➣Transport Services Delivery Agent (New Zealand) |
| TSDA➣Timor Sea Designated Authority |
| TSDA➣Trade Specific Denatured Alcohol |
| TSDA➣Texas Sheep Dog Association (Crawford, Texas) |
| TSDA➣Theatre, Speech, and Dance (Brown University; Providence, RI) |
| TSDA➣Tactical System Design Architecture |
| TSDA➣Tierrasanta Seventh-day Adventist (Church; San Diego, CA) |