TTBC
| Acronym | Definition |
|---|---|
| TTBC | Time to Be Confirmed |
| TTBC | Toyota Texas Bass Classic |
| TTBC | Thomas Terrace Baptist Church (Lynchburg, VA) |
| TTBC | Trans-Tasman Business Circle (Australia and New Zealand) |
| TTBC | Thick Thermal Barrier Coating (diesel engines) |
| TTBC | Table Talk Bridge Club |
| TTBC | Translation to Be Checked |