| Raquel COSTA | ESP | 5 Races |
| Inês COSTA | POR | 6 Races |
| Catalin COSTACHE | ROU | 4 Races |
| Daniel COSTEA | ROU | 4 Races |
| Dan COSTEA | ROU | 5 Races |
| Daan COX | BEL | 6 Races |
| Victor COZLOV | MLD | 11 Races |
| Cristian CRACANA | ROU | 3 Races |
| Sergiu CRACIUN | ITA | 34 Races |
| Nicolae CRACIUN | ITA | 79 Races |
| Hector CRAVIOTTO | ESP | 3 Races |
| Saul CRAVIOTTO | ESP | 9 Races |
| Saul CRAVIOTTO RIVERO | ESP | 6 Races |
| Mauro CRENNA | ITA | 34 Races |
| Alexandre CRESSOL | FRA | 6 Races |