| Abbreviation | Definition |
|---|---|
| CIMC | Canadian Internet Marketing Conference |
| CIMC | Change In the Making Conference |
| CIOC | Conferencia Internacional De Organismos De Cuenca |
| CIPE | IEEE Workshop on Computers in Power Electronics |
| CIPS | Confederation of Independent Psychoanalytic Societies |
| CIRC | Chinese Internet Research Conference |
| CISAA | Conference of Independent Schools Athletics Association |
| CISC | Combat Identification Systems Conference |
| CISOntario | Conference of Independent Schools of Ontario |
| CISP | Congress on Image and Signal Processing |
| CISS | Conference on Information Sciences and Systems |
| CISS | Conference on Information Systems and Sciences |
| CIST | Conference on Information Systems and Technology |
| CIT | Conference of Interpreter Trainers |
| CIT | Conference on Instruction and Technology |
| CIT | Conference on Instructional Technologies |
| CITCON | Cement Industry Technical CONference |
| CITF | Conference Inclusion Task Force |
| CITM | Conference on Information Technology Management |
| CITY | Conference In Two Years |