| Abbreviation | Definition |
|---|---|
| CAFA | Central Asian Football Association |
| CAFC | Charlton Athletic Football Club |
| CAFF | Cyprus Amateur Football Federation |
| CAFL | Central Australian Football League |
| CAFL | China Arena Football League |
| CARP | Club Atlético River Plate |
| CBF | Cup the Brazilian Football |
| CBFA | Calgary Bantam Football Association |
| CBRFC | Colwyn Bay Rugby Football Club |
| CC | Clutch Catches |
| CCBFC | Central City Breakers Football Club |
| CCFA | Chaska Chanhassen Football Association |
| CCFL | Cannock Chase Football League |
| CCFL | Champion's Cup Football League |
| CCFL | Combined Counties Football League |
| CCFL | Couch Coach Football League |
| CCFO | Centennial Conference Football Officials |
| CCFOA | Champlain Certified Football Officials Association |
| CCFOA | Contra Costa Football Officials Association (California) |
| CCWFL | Central Canada Women's Football League |