| Abbreviation | Definition |
|---|---|
| CMS | Comparative Media Studies |
| CMT | Community Media and Technology |
| CMT | Country Music Television |
| CMTO | Community Media Training Organisation |
| CMV | WCMV-TV, Central Michigan University, Vanderbilt |
| CMYK | Cyan, Magenta, Yellow, and Key |
| CN | Cartoon Network |
| CNA | Conferencing News And Analysis |
| CNBC | Cable - National Broadcasting Company |
| CNBC | Consumer News And Business Channel |
| CNC | Centre Nationale de la Cin??matographie |
| CNC | Commercial Newspaper Campaign |
| CND | China News Digest |
| CNG | The Complete Nitpickers Guide |
| CNPA | California Newspaper Publishers Association |
| CNS | Cartoon Network Star |
| CNS | Christina News Source |
| CNS | Conservative News Service |
| CNS | Cybercast News Service |
| CNW | Cable aNd Wireless |