ORBC
| Acronym | Definition |
|---|---|
| ORBC | Oak Ridge Baptist Church (various locations) |
| ORBC | Oak Ridge Bowling Center (Oak Ridge, TN) |
| ORBC | Ovilla Road Baptist Church (Ovilla, TX) |
| ORBC | Old Regular Baptist Church |
| ORBC | Office for River Basin Cooperation |
| ORBC | Oregon Bird Records Committee |