2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Aoife Clark | Ruiter |
 Amanda Clark | Zeilen |
 Sarah Clark | Judo |
| Katie Clark | Aquatics |
| Saskia Clark | Zeilen |
| Lawrence Clarke | Athletiek |
 Richard Clarke | Zeilen |
| Tyler Clary | Aquatics |
 Karin Clashing | Aquatics |
| Will Claye | Athletiek |
| Custio Clayton | Boksen |
 Jacob Clear | Canoe/Kayak |
| Kerron Clement | Athletiek |
 Valerio Cleri | Aquatics |
 Kim Clijsters | Tennis |
 Elodie Clouvel | Moderne Vijfkamp |
 Yariulvis Cobas | Roeien |
 Guilherme Cobbo | Athletiek |
| Emma Coburn | Athletiek |
| Ryan Cochrane | Canoe/Kayak |
| Ryan Cochrane | Aquatics |
 Alexandru Coci | Aquatics |
| Marius Cocioran | Athletiek |
| Karen Cockburn | Gymnastiek |
| Roxana Cocos | Gewichtheffen |