| Abbreviation | Definition |
|---|---|
| CCPC | Canadian Centre for the Purpose of the Corporation |
| CCTAC | Colorado Counter Terrorism Advisory Council |
| CCTN | Commissione Consultiva Tossicologica Nazionale (Italian: National Toxicology Advisory Commission) |
| CDAC | Commerce Data Advisory Council |
| CDAC | County Deer Advisory Council |
| CDBAB | California Dry Bean Advisory Board |
| CDLAB | Coastal Dune Lakes Advisory Board (Florida; environmental monitoring) |
| CDLAB | Connecticut Digital Library Advisory Board (Middletown, CT) |
| CEAL | Caltrans External Advisory Liaison |
| CEAN | Community Engagement Advisory Network |
| CESAC | Commonwealth Employment Service Advisory Committee |
| CFAB | Children and Families Advisory Board |
| CFAC | California Freight Advisory Committee |
| CFAC | Capital Facilities Advisory Committee |
| CFAC | Consumer and Family Advisory Committee |
| CHAP | Chronic Hazard Advisory Panel |
| CHAT | Consumer Hair Advisory Team |
| CHPAC | Children's Health Protection Advisory Committee |
| CIAB | Coal Industry Advisory Board |
| CIAC | Capital Improvement Advisory Committee |