| Abbreviation | Definition |
|---|---|
| CHUD | Cinematic Happenings Under Development |
| CI | Correspondence Information |
| CID | Cinematic Intuitive Dynamix |
| CIE | Commission Internationale d'Eclairage (International Commission on Illumination) |
| CILA | Communication Initiative Latin America |
| CIM | Chris In the Morning |
| CIM | Cinema and Interactive Media |
| CIMA | Catholics In Media Associates |
| CIMA | Center for International Media Assistance |
| CIMA | Centre For International Media Analysis |
| CIME | Center for International Media Ethics |
| CIMT | carotid intima media testing |
| CIMT | Carotid Intima Media Thickness |
| CIMT | Carotid Intimal Medial Thickness |
| CIP | Cataloging In Publication |
| CIPA | California Intercollegiate Press Association |
| CIR | Capital Investments Review |
| CIRC | Cross- Interleaved Reed-Solomon Code |
| CIRT | Camera Nacional de la Ind??stria de Radio y Televisi??n ( Mexico) |
| CJ | Celebrity Justice |