CCIO
| 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 |