| 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) |