| Abbreviation | Definition |
|---|---|
| CIRH | Comité international de rink hockey |
| CIRH | Comité Internationale de Rink Hockey |
| CJHL | Central/West Junior Hockey League |
| CMHA | Charlotte Metro Hockey Association |
| CMHA | Cumberland Minor Hockey Association |
| CNAH | Canadian National Aboriginal Hockey Tournament |
| CNAHT | Canadian National Aboriginal Hockey Tournament |
| CNHA | Calgary Northstars Hockey Association |
| COGH | Central Ohio Girls Hockey |
| COHC | City of Oxford Hockey Club |
| CPHL | Calgary Power Hockey League |
| CPHL | Canadian Professional Hockey League |
| CPHL | Central Professional Hockey League |
| CPHL | Colorado Prep Hockey League |
| CRGH | Coulee Region Girl's Hockey |
| CRHL | Clarington Recreational Hockey League |
| CSAHA | Colorado Springs Amateur Hockey Association |
| CSHL | Capital Scholastic Hockey League |
| CSHL | Carillon Senior Hockey League |
| CSHL | Central States Hockey League |