| Croydon RFC |
Running |
South East England, United Kingdom |
| Croydon Tennis Club |
Tennis |
Victoria, Australia |
| Cruden Bay Golf Club |
Gymnastics |
Scotland, United Kingdom |
| Crusaders |
Running |
Canterbury, New Zealand |
| Crusaders FC |
Go Karting |
Northern Ireland, United Kingdom |
| Crusaders Rugby Club |
Running |
East England, United Kingdom |
| Crystal Palace FC |
Go Karting |
London, United Kingdom |
| Crystal Palace Triathletes |
Triathlon |
London, United Kingdom |
| CTC Glasgow |
Cycling |
Scotland, United Kingdom |
| CTC Scotland |
Cycling |
Scotland, United Kingdom |
| Cudgen Headland Surf Life Saving Club |
Surf Life Saving |
New South Wales, Australia |
| Cuffley Rugby |
Running |
South East England, United Kingdom |
| Cullompton Rugby Football Club |
Running |
South West England, United Kingdom |
| Cults Otters Amateur Swimming Club |
Swimming |
Scotland, United Kingdom |
| Cumberland Athletic Club |
Athletics |
North West England, United Kingdom |
