| Abbreviation | Definition |
|---|---|
| CRFI | Committee for the Refoundation of the Fourth International |
| CRIW | Conference on Research in Income and Wealth |
| CRMC | Customer Relationship Management Conference |
| CROCH | Carnegie-Rochester Conference Series on Public Policy |
| CROI | Conference on Retroviruses and Opportunistic Infections |
| CrownCom | International Conference on Cognitive Radio-Oriented Wireless Networks and Communications |
| CRP | Conference Review Package |
| CRSC | Central Region Student Conference |
| CRSE | Conference on Remote Sensing Education |
| CSA | Chilhood Sexual Abuse |
| CSAC | Colonial States Athletic Conference |
| CSAC | Computer Security Applications Conference |
| CSAF | Central States Actuarial Forum |
| CSBS | Conference of State Bank Supervisors |
| CSBS | Conference of State Banking Supervisors |
| CSC | Constitution State Conference |
| CSC | Convention of Safe Containers |
| CSEAC | China Semiconductor Equipment Annual Conference |
| CSEE | International Conference on Software Engineering Education |
| CSFW | IEEE Computer Security Foundations Workshop |