| Abbreviation | Definition |
|---|---|
| CBOP | Custody, Bureau of Prisons |
| CBP | U.S. Customs and Border Protection |
| CBP | United States Customs and Border Protection |
| CBR | Centraal Bureau Rijvaardigheidsbewijzen |
| CBR | chemical, bacteriological, radiological |
| CBR | Crude Birth Rate |
| CBR | Currently Being Revised |
| CC | Clinical Center (NIH) |
| CC | Community Charge |
| CC | Country Code |
| CCA | Cenelec Certification Agreement |
| CCA | Clinger-Cohen Act |
| CCaR | Comprehensive Cost and Requirements |
| CCBLCC | Collect commercial bill of lading Country code |
| CCBS | Clear Channel Broadcasting Service |
| CCC | Civilian Conservation Corps |
| CCC | Civilian Conservaton Corps |
| CCC | Compliance Coordinating Committee (CDER) |
| CCC | Credibility, Confidence, and Contracts |
| CCC | Custom Cooprative Council |