C
- C418 (Daniel Rosenfeld)
- CACCINI (CACCINI)
- Calixa Lavallée (Calixa Lavallée)
- Capdevile, Jean Patrick
- Carolina Crown (Carolina Crown)
- Carrie Jacobs-Bond (Carrie Jacobs-Bond)
- Cat Stevens (Cat Stevens)
- Centimillimental (センチミリメンタル)
- Charles Hubert Hastings Parry (Charles Hubert Hastings Parry)
- Charles Villiers Stanford (Charles Villiers Stanford)
- Charles Wood (Charles Wood)
- Charpentier (Charpentier)
- Chiquinha Gonzaga (Chiquinha Gonzaga)
- Christina Perri
- Chuck Rio
- Clara Faisst (Clara Faisst)
- Clémence de Grandval (Clémence de Grandval)
- Coleman, Omette
- Coleridge T.
- Corona Elisabeth Wilhelmine Schröter (Corona Elisabeth Wilhelmine Schröter)
- Covay, Don
- Cugini di Campagna
- The Cinematic, O