| Abbreviation | Definition |
|---|---|
| CFHU | Canadian Friends of Hockey in Ukraine |
| CGHA | Chicago Gay Hockey Association |
| CGHA | Clarington Girls Hockey Association |
| CGHA | Cottage Grove Hockey Association |
| CGHL | Connecticut Girls Hockey League |
| CH | Club de Hockey |
| CHA | College Hockey America |
| CHBS | Complexe Hockey Balle Sherbrooke |
| CHL | Carolinas Hockey League |
| CHL | Central Hockey League |
| CHL | Champions Hockey League |
| CHL | Continental Hockey League |
| CHL | Cyber Hockey League |
| CHMA | College Hockey Mid-America |
| CHOA | Cascade Hockey Officials Association |
| CIAH | Canadian International Academy of Hockey |
| CIHA | Chinese Ice Hockey Association |
| CIHA | Collegiate Ice Hockey Association |
| CIHA | Collegiate Inline Hockey Association |
| CIHC | Columbus Ice Hockey Club |