- C -- Calico
- Calico Bind -- Canon
- Canon -- Carl Orff
- Carl Orjo -- Caroc And Link
- Carochinha -- Cashless Society
- Cashma Hoody -- CD3
- CdA Group -- C@$H
- C.H. Atma -- Charles Blakely
- Charles Blenzig -- Charlston Walker
- Charlton -- Cheryl Fare
- Cheryl Fisher -- Chinky-1
- Chinky Brown Eyes -- Chris Coleman
- Chris Colepaugh -- Chrissy Ward
- Christ. -- Christopher Froh
- Christopher Froh -- Cincinnati May Festival Chorus
- Cincinnati Philharmonia Orchestra -- Clarisse Muvemba
- Clarita -- Cliffie Stone Orchestra
- Clifford -- Codetalkers
- Codeworm -- Combustable Elements
- Combustible -- Conspiracy
- Conspiracy -- Coro de Radio Televisión Española
- Coro De Ruada -- Crabe
- Crabmeat Izreal -- Cristina Georgina
- Cristina Guerrero -- Cult of Sue Todd
- Cult of the 13th Hour -- Czu