| Acronym | Definition |
|---|
| CIOC➣Comet ISON (International Scientific Optical Network) Observing Campaign |
| CIOC➣Chief Information Officers Council |
| CIOC➣CHARM I/O (Input/Output) Card (Emerson device) |
| CIOC➣Community Information Online Consortium |
| CIOC➣Caspian International Oil Corp. (Houston, TX) |
| CIOC➣Combined/Current Intelligence Operations Center |
| CIOC➣Counter-Insurgency Operations Command |
| CIOC➣COMBICON I/O Connector |