| Abbreviation | Definition |
|---|---|
| CIAC | Carolinas Intercollegiate Athletic Conference |
| CIAC | Central Intercollegiate Athletic Conference |
| CIAC | Connecticut Interscholastic Athletic Conference |
| CIAC | Cornell International Affairs Conference |
| CIAF | Czech International Air Festival |
| CIAP | Conference for Interdisciplinary Approaches to Politics |
| CIAP | Conference on Implantable Auditory Prostheses |
| CIAP | Conference on Implantable Auditory Prosthesis |
| CIC | Collision Industry Conference |
| CIC | Color and Imaging Conference |
| CIC | Color Imaging Conference |
| CIC | Computers In Cardiology Conference |
| CIC | Computers In Cardiology Conference |
| CICA | Confederation of International Contractors Associations |
| CICA | Confederation of International Contractors' Associations |
| CICA | Conference on Interaction and Confidence Measures in Asia |
| CICC | Cairo International Conference Centre |
| CICC | Custom Integrated Circuits Conference |
| CICCAS | China International Conference on Circuits And Systems |
| CICE | Canada International Conference on Education |