| Acronym | Definition |
|---|
| OCIA➣Overclock Intelligence Agency |
| OCIA➣Office of Congressional and Intergovernmental Affairs (US government) |
| OCIA➣Organic Crop Improvement Association |
| OCIA➣Order of Christian Initiation of Adults |
| OCIA➣Optically Coupled Interface Adapter |
| OCIA➣Oklahoma Certified Installers Association |
| OCIA➣Office of the Commissioner for Islamic Affairs |