| Abbreviation | Definition |
|---|---|
| CFC | Celtic Football Club |
| CFC | Chelsea Football Club |
| CFC | Colorado Football Conference |
| CFC | Cool For Cycling |
| CFCF | Canadian Family Camping Federation |
| CFDR | Cannon Flats Driving Range |
| CFL | Campbell Football League |
| CFL | Canadian Football League |
| CFOA | Carolina Field Owners Association |
| CFR | Canadian Finals Rodeo |
| CFRA | Central Florida Rocketry Association |
| CFS | Coalition of Free Stars |
| CFS | Crazy Figure Skaters |
| CFS | Cyber Fantasy Sports |
| CFSA | Canadian Freestyle Ski Association |
| CFSL | Central Florida Softball League |
| CFTC | Chase For The Championship |
| CFYA | Chicago Fire Youth Academy |
| CG | Callaway Golf |
| CG | Card Game |