| Acronym | Definition |
|---|
| CCIO➣Corporate Chief Information Officer (Canada) |
| CCIO➣Community and Court Interpreters of the Ohio Valley (est. 1997) |
| CCIO➣Command and Control Incidents Operations |
| CCIO➣Council of Chief Information Officers (various locations) |
| CCIO➣Conventional Conforming Interest-Only (mortgage) |
| CCIO➣Colorado Council of International Organizations |
| CCIO➣Contract Counterintelligence Officer |