| Abbreviation | Definition |
|---|---|
| CNNF | CIMB Niaga Namaste Festival |
| CNYF | Chinese New Year Festival |
| COFF | Central Ohio Folk Festival |
| COLF | City Of London Festival |
| CPFF | Chicago Palestine Film Festival |
| CRISP | Connect, Request, Invite, Set, and Pursue |
| CSEF | Cambodia Science and Engineering Festival |
| CSF | Colorado Shakespeare Festival |
| CSFF | Canadian Sport Film Festival |
| CSFF | Canadian Surf Film Festival |
| CSFF | Canberra Short Film Festival |
| CSFF | Cannes Short Film Festival |
| CSMF | California Student Media Festival |
| CSMF | Central States Marching Festival |
| CSSF | Croatian Summer Salsa Festival |
| CTDF | Cape Town Dive Festival |
| CUFF | Chicago Underground Film Festival |
| CUFF | City University Film Festival |
| CVPF | Collector Village Pumpkin Festival |
| CWBF | Central Wisconsin Book Festival |