GBTC
| Acronym | Definition |
|---|---|
| GBTC | Greater Boston Track Club (Boston, MA) |
| GBTC | Greater Baltimore Technology Council |
| GBTC | Greater Bethlehem Temple Church (Mississippi) |
| GBTC | Green Building Tax Credit (New York) |
| GBTC | Georgian Banking Training Center (Georgia) |
| GBTC | Great Big Theatre Company (Ontario, Canada) |
| GBTC | Greater Buffalo Track Club (est. 1980; Buffalo, NY) |
| GBTC | Glen Burnie Theatre Company (Glen Burnie, MD) |