| Abbreviation | Definition |
|---|---|
| CERS | Canada Emergency Rent Subsidy |
| CFCC | Central Fairfax Chamber of Commerce |
| CFCI | Centre de Formation en Commerce International |
| CGCC | China General Chamber of Commerce |
| CGLCC | Canadian Gay Lesbian Chamber of Commerce |
| CIBC | Canadian Imperial Bank of Commerce |
| CIBC | Commerce Imperial Bank of Can |
| CICC | China Italy chamber of commerce |
| CICN | Chartered Institute of Commerce of Nigeria |
| CIF | Commerce Integration Framework |
| CINEMA | Commerce Internet and Electronic Mail Access |
| CMC | Computer Mediated Commerce |
| CMCCC | Creede Mineral Co Chamber of Commerce |
| CNDC | Chickasaw Nation Division of Commerce |
| CNRC | Centre National Du Registre Du Commerce |
| COACT | College Of Art Commerce and Technology |
| COC | Chamber Of Commerce |
| CPCS | Commerce Purchase Card System |
| CPTPP | Comprehensive and Progressive Agreement for Trans-Pacific Partnership |
| CRCB | Canada Recovery Caregiving Benefit |