| Abbreviation | Definition |
|---|---|
| CBS | Central Broadcasting Services |
| CBS | Columbia Broadcasting System |
| CBSC | Canadian Broadcast Standards Council |
| CCETT | Centre Commun d'Etudes de Télédiffusion et Télécommunications |
| CCNB | Clay Coated News Back |
| CCNN | Celebrate Church News Network |
| CCNN | Christopher Columbus News Network |
| CCNN | Cobb Cubs News Network |
| CCNS | Cleveland Clinic News Service |
| CCPC | Cebu Citizens-Press Council |
| CCPN | Central City Picture News |
| CCTV | Closed Circuit Television |
| CD | Compact Disc |
| CD-E | Compact Disc Eraseable |
| CDIC | China Daily Information Company |
| CDN | Coin Dealer Newsletter |
| CDNC | California Digital Newspaper Collection |
| CD-R | Compact Disc Recordable |
| CD-RW | Compact Disc Rewritable |
| CDTN | County Durham Talking Newspaper |