| Abbreviation | Definition |
|---|---|
| CSIC | Capstone Student Investment Conference |
| CSIC | Central States Intercollegiate Conference |
| CSIRC | Cleveland State Interdisciplinary Research Conference |
| CSMC | Conference on Systems Man and Cybernetics |
| CSNC | China Satellite Navigation Conference |
| CSNC | Chinese Satellite Navigation Conference |
| CSNDP | Communications Systems, Networks, and Digital Signal Processing Symposium |
| CSPD | Conferences and Special Program Development |
| CSPT | Conference for the Study of Political Thought |
| CSRI | Conference on the Study of Religions of India |
| CSS | Confeti Scatz System |
| CSSG | Conference Self Study Guide |
| CSTAND | Computer STANDards Conference |
| CSUE | Communication Skills in University Education |
| CSUM | Conference on Sustainable Urban Mobility |
| CSVS | Cyber Security Virtual Summit |
| CTBT | Conference of Test Ban Treaty |
| CTC | Clinical Team Conference |
| CTEC | Customer Training and Education Conference |
| CTLC | Colorado Teen Literature Conference |