| Abbreviation | Definition |
|---|---|
| CMS | Conversation Monitoring System |
| CMSS | Capital Market Software Suite |
| CMSS | Connection Management Software System |
| CMST | Certified Manager of Software Testing |
| CMT | Card Management Tool |
| CMT | Comandamentul Militar Teritorial |
| CMTK | Computational Morphometry Toolkit (biomedical software) |
| CMTS | Cisco Meetingplace Technical Support |
| CMU | Carnegie Mellon University |
| CMU | Cobalt Migration Utility |
| CMUG | Chennai Microsoft User Group |
| CNCI | Coding Non Coding Index |
| CNGCF | Customer Network Gateway Configuration Function |
| CNMB | Cloud Ninja Metering Block |
| CNN | Created News Netwotk |
| CNP | Control Network Programming |
| CNR | Click N Run |
| CNSLD | Consolidation |
| COA | Certificate Of Authenticity |
| COAS | Caldera Open Administration System |