| Climate Change and Indigenous Peoples | Academic & Science |
| Certified Cyber Intelligence Professional | Business |
| Cisco Certified Internetwork Professional | Business |
| Council for Certification of Irb Professionals | Certifications |
| Cross Cultural Internship Program | Community |
| Child Care Initiative Project | Community |
| China Cycle Industry Park | Community |
| Cairo Community Interpreter Project | Community |
| Continuous Computed Impact Point | Computing |
| Committee on Communications and Information Policy | Computing |
| Community College Initiative Program | Educational Institute |
| Centre For Critical Infrastructure Protection | General |
| Comprehensive Continuous Improvement Plan | General |
| Comcast Center Internship Program | General |
| Chronic Care Improvement Program | General |
| Capital City Internship Program | General |
| Comprehensive Continuous Improvement Process | General |
| Customs Code Implementing Provisions | General |
| Continously Computed Impact Point | General |
| Common Configuration Implementation Program | General |
| Constantly Computed Impact Point | General |
| Contractor Controlled Insurance Program | Insurance |
| Credentialed Clinical Instructor Program | Medical |
| Command Center Improvement Program | Military and Defence |
| Corrosion Control Inspection Program | Military and Defence |
| Continuously Computed Impact Point | Military and Defence |
| Continuously Calculated Impact Point | Military and Defence |
| Cisco Certified Internetworking Professional | Networking |
| Canada Community Investment Plan | Regional |
