| Acronym | Definition |
|---|
| OCAC➣Overseas Compatriot Affairs Commission (Taiwan) |
| OCAC➣Oregon College of Art & Craft (Portland, OR) |
| OCAC➣Overseas Chinese Affairs Commission (Taiwan) |
| OCAC➣Oil Companies Advisory Committee (Pakistan) |
| OCAC➣Organisation of Central Asian Cooperation (various nations) |
| OCAC➣Ocean City Arts Center (New Jersey) |
| OCAC➣Operations Control & Analysis Center |
| OCAC➣Oceanic Air-Traffic Control |
| OCAC➣Office, Chief of the Air Corps (US DoD) |