| Abbreviation | Definition |
|---|---|
| CUSC | Chesapeake United Soccer Club |
| CVSA | Central Virginia Soccer Association |
| CVSA | Cuyahoga Valley Soccer Academy |
| CVSC | Castro Valley Soccer Club |
| CVSC | Cedar Valley Soccer Club |
| CVSC | Coastal Valley Soccer Club |
| CVSC | Crescenta Valley Soccer Club |
| CWSA | Calgary Women's Soccer Association |
| CWSA | Central Washington Soccer Academy |
| CWSA | Columbia Windham Soccer Alliance |
| CWSA | Commonwealth Women's Soccer Association |
| CWSC | Calgary West Soccer Club |
| CWSC | Central Whidbey Soccer Club |
| CWSC | Cincinnati West Soccer Club |
| CYAS | Catholic Young Adult Soccer |
| CYS | Colorado Youth Soccer |
| CYSA | California Youth Soccer Association |
| CYSA | Catasauqua Youth Soccer Association |
| CYSA | Chambersburg Youth Soccer Association |
| CYSA | Chariho Youth Soccer Association |