| Abbreviation | Definition |
|---|---|
| CATV | Community Antenna Television |
| CB | Citizens' Band |
| CB | Current Bulletin |
| CBA | Catholic Broadcasters Association |
| CBA | Certified Balloon Artist |
| CBA | Commonwealth Broadcasting Association |
| CBCA | Canadian Business and Current Affairs |
| CBI | Confederation of British Industry |
| CBN | Christian Broadcasting Network |
| CBR | Comic Book Resources |
| CBRN | Christian Broadcasting Radio Network |
| CBS | Censored By the State |
| CBS | Central Broadcast System |
| CBU | Caribbean Broadcasting Union |
| CC | Close Captioned |
| CC | Closed Captioned |
| CC | Common Carrier |
| CCA | Cable Communications Association |
| CCA | Centre for Contemporary Arts |
| CCA | Concerned Children's Advertisers |