| Abbreviation | Definition |
|---|---|
| CUD | Computer Underground Digest |
| CUG | Closed User Group |
| CV | Composite Video |
| CVBS | Color, Video, Blanking, and Synchronization |
| CVBS | Composite Video Burst Signal |
| CVBS | Composite Video with Burst and Sync |
| CVC | Compact Video Cassette |
| CW | Cable and Wireless |
| CW | Chronometer Watch |
| CW | Collected Works |
| CW | Current Words |
| CWA | Communications Workers of America |
| CWA | Current World Affairs |
| CWEN | Canada Wide English Network |
| CWG | Christian Writers Guild |
| CWH | Civil War History |
| CWO | ClockWork Orange |
| CWOS | City Wide Open Studios |
| CWR | Catholic World Report news magazine |
| CWR | Celtic World Radio |