| Abbreviation | Definition |
|---|---|
| CBUA | California Baseball Umpires Association |
| CBUA | Collegiate Baseball Umpires Association |
| CBV | California Beach Volleyball |
| CBV | Christophe Barriere-Varju Rally Racing Team |
| CBVA | Calgary Beach Volleyball Association |
| CBVA | California Beach Volleyball Association |
| CBVC | City of Bristol Volleyball Club |
| CBW | Carlsbad Backyard Wrestling |
| CBW | Crazy Backyard Wrestling |
| CBYRA | Chesapeake Bay Yacht Racing Association |
| CC | Clutch Catches |
| CC | Conference Champion |
| CC | Crew Change |
| CC | Cricket Club |
| CCA | Canadian Canoe Association |
| CCA | Clogging Champions of America |
| CCA | Common Canadian Athletes |
| CCA | Cruising Club of America |
| CCAA | California Collegiate Athletic Association |
| CCC | Choctaw Country Club |