| Abbreviation | Definition |
|---|---|
| CCIF | Cambodian Communications Institute Foundation |
| CCIF | Cross Culture International Foundation |
| CCKF | Chiang Ching-Kuo Foundation |
| CCLAF | Cook County Legal Assistance Foundation (Illinois) |
| CCPF | Composite Caisson Pile Foundation |
| CCRF | Chicago Canine Rescue Foundation |
| CCRF | Columbus Community Radio Foundation |
| CCSF | Coca Cola Scholars Foundation |
| CCTF | China Children and Teenagers Foundation |
| CCUF | Carolina Credit Union Foundation |
| CCUF | Carolinas Credit Union Foundation |
| CCWF | Changing Childrens Worlds Foundation |
| CCWF | Clear Creek Watershed Foundation |
| CDAF | California Dental Association Foundation |
| CDEF | Californians Dedicated to Education Foundation |
| CDF | Celiac Disease Foundation |
| CDF | Communication Disorders Foundation |
| CDF | Continuous Delivery Foundation |
| CDF | Cosmopolitan Diabetes Foundation |
| CDFM | Cultural Development Foundation of Memphis |