| Acronym | Definition |
|---|
| BTRA | Bombay Textile Research Association (India) |
| BTRA | British Truck Racing Association (UK) |
| BTRA | Battlespace Terrain Reasoning and Awareness |
| BTRA | Benelux Travel Retail Association |
| BTRA | Business Tax Reform Act (New Jersey) |
| BTRA | Bloomfield Third Riverbank Association |
| BTRA | Beach Triangle Residents Association (Canada) |
| BTRA | British Textile Rental Association (UK) |
| BTRA | Biological Terrorism Risk Assessment |
| BTRA | Bhutan Telecom Regulatory Authority |
| BTRA | Banks & Trust Companies Regulations Act |
| BTRA | Bridges Toward Responsible Adulthood |
| BTRA | Brighton Trail Riders Association |
| BTRA | Bangladesh Telecommunication Regulatory Authority |
| BTRA | Burnage Tenants & Residents Association (UK) |
| BTRA | Brent Terrace Residents Association (UK) |
| BTRA | BT Remote Access |