| Acronym | Definition |
|---|
| TRBA➣Tennessee Road Builders Association (est. 1928) |
| TRBA➣Texas Rabbit Breeders Association (Cypress, TX) |
| TRBA➣Transmission Revenue Balancing Account |
| TRBA➣Technical Rules for Biological Agents (Committee for Biological Agents; Germany) |
| TRBA➣Toms River Basketball Association (Toms River, NJ) |
| TRBA➣Tennessee River Baptist Association (various locations) |
| TRBA➣Theron Rankin Baptist Association (Hickory, NC) |