TSDA
| 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) |