| Acronym | Definition |
|---|
| OMBC➣Osteopathic Medical Board of California (Department of Consumer Affairs; California) |
| OMBC➣Oldham Metropolitan Borough Council (UK) |
| OMBC➣Ohio Mountain Bike Championship Series |
| OMBC➣Office of Management and Budget Circular |
| OMBC➣Orlando Metropolitan Bridge Center (card club; Orlando, FL) |
| OMBC➣Overlapped Block Motion Compensation (video encoding) |