OCIB
| Acronym | Definition |
|---|---|
| OCIB | Oklahoma Capital Investment Board (est. 1991; Oklahoma City, OK) |
| OCIB | Osceola County Investigative Bureau (Osceola, FL) |
| OCIB | Old Crow Indian Band (Farmington, ME) |
| OCIB | Ottawa Carleton Institute for Biology (Canada) |
| OCIB | Output Compare Interrupt B (computing) |