| 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 |