| Acronym | Definition |
|---|
| TBCA➣Thunder Bay Community Auditorium (Ontario, Canada; performing arts center; est. 1985) |
| TBCA➣Texas Business Corporation Act |
| TBCA➣Thailand Business Coalition on AIDS |
| TBCA➣Transportation Brokers Conference of America |
| TBCA➣The Boston Company Advisors (Massachusetts) |
| TBCA➣Total Brand Communications Awareness (market research) |