| Abbreviation | Definition |
|---|---|
| CNN | Contrived News Network |
| CNN | Convert? Not Now! |
| CNN | Corrections Not News |
| CNN | Counterfeit News Network |
| CNN | Covert? Not Now! |
| CNN | Crazy Neurotic Nut |
| CNN | Creative News Now |
| CNN | Crummy News Network |
| CNN | Cuckoo News Network |
| CNN | Cuomo Nepotism Network |
| CNS | Cheney News Service |
| CNS | Client Needs System |
| CNW | Chardonnay No Way |
| COA | Carrot-Onion Alliance |
| COACH | Caring, Optimistic, Awesome, Overly Kind, Helpful |
| COBOL | Cannot Operate Because Of Limitations |
| COBOL | Completely Obsolete Business Oriented Language |
| COBOL | Confusion Oriented Bastard Of a Language |
| COBOL | Crappy Obsolete Boring Old Language |
| COBOL | Crude Old Bugger Ogles Ladies |