OCBA
| Acronym | Definition |
|---|---|
| OCBA | Office of Consumer and Business Affairs (Australia) |
| OCBA | Orange County Bar Association (California and Florida) |
| OCBA | Ocean County Business Association (Toms River, NJ) |
| OCBA | Onondaga County Bar Association (New York) |
| OCBA | Ontario Concrete Block Association (Canada) |
| OCBA | Open-Circuit Breathing Apparatus (product) |