| Abbreviation | Definition |
|---|---|
| CHSC | Campuswide Honors Student Council |
| CHSE | Council of Higher Secondary Education |
| CHSE | Council of Higher Secondary Education, |
| CHTC | Colorado Human Trafficking Council |
| CIAB | Council of Insurance Agents and Brokers |
| CIAB | Council of Insurance Agents Brokers |
| CIAC | California International Arbitration Council |
| CIAC | California Intersegmental Articulation Council |
| CIAC | Cephalopod International Advisory Council |
| CIAC | China and Inner Asia Council |
| CIAC | Community Involvement Advisory Council |
| CIAC | Construction Industry Advisory Council |
| CIAO | Council of Italian American Organizations |
| CIBO | Council of Independent Business Owners |
| CIBO | Council of Industrial Boiler Owners |
| CIBO | Council of Interesting Boiler Owners |
| CIC | Canadian International Council |
| CIC | Convention Industry Council |
| CIC | Convention Industry Council's |
| CICC | Children in Care Council |