| Charlotte Cardin | Pop | 3 |
| Cian Ducrot | Pop | 2 |
| Lucy Cloud | Pop | 1 |
| City of Prague Philharmonic Orchestra | Soundtrack | 1 |
| Chayce Beckham | Country music | 1 |
| Candy Dulfer | Soundtrack | 1 |
| Mi Casa | Pop | 1 |
| Caitlynne Curtis | Rap | 1 |
| Ernesto Cortázar II | Classic | 1 |
| Cliff Richard | Pop | 4 |
| Carolin Kebekus | Pop | 1 |
| Silver Convention | Disco | 2 |
