Sports league
group of sports teams or individual athletes that compete against each other
Caribbean Women's Rugby Championship
Carillon Senior Hockey League
Lillehammer Triple
Carolina League
Celebrity Cricket League
Central Coast Division Rugby League
Central European Football League
Central Highlands Football League
Central League
Central League
Central Midlands Coastal Football League
Central Murray Football Netball League
Central Ontario Women's Hockey League
Central Scottish Amateur Football League
Central and South Norfolk League
League 1
Cheshire County League
Chinese Football Association Member Association Champions League
Chinese Jia-A League
Chinook Hockey League
Choice City Rebels
Cirencester and District League
Clwyd League
Coastal Plain League
Coastal Plain League
Colchester and East Essex Football League
Colonial Valley Conference
Conference League
Connacht Schools Rugby Senior Cup
Connacht Senior League
Connecticut League
Continental Basketball League
Continental Elite Hockey League
Continental Football League
Convict City Roller Derby League
Cook Cup
Copa Castilla y León
Copa Rio
Cork AUL
Cornwall League 1
Cornwall League 2
Country Rugby League
County Championship Shield
Coventry Alliance Football League
Crawley and District Football League
Croatian Women's Basketball League
Crossroads League
Cumbria League
Cyprus Rugby League
Russian Women's Handball Super League