IOOC
| Acronym | Definition |
|---|---|
| IOOC | Integrated Optics and Optical Fiber Communication |
| IOOC | International Olive Oil Council |
| IOOC | Interagency Ocean Observation Committee |
| IOOC | Iranian Offshore Oil Company (est. 1980; National Iranian Oil Company; Iran) |
| IOOC | Insight out of Chaos (database marketing company; various locations) |
| IOOC | International Orthodox Christian Charities |