- Caliban
- Cancer Bats
- Canine
- Cannibal Corpse
- Captain Black Beard
- Capture
- Carcariass
- Carcass
- Carnal Tomb
- Carnation
- Carnifex
- Cashless
- Casket Robbery
- Cavalera Conspiracy
- Cayne
- Cellout
- Chambers of Insanity
- Charming Liars
- Cheap Trick
- Cheech
- Chelsea Grin
- Chevelle
- Chickenfoot
- Chikatilo
- Children of Bodom
- Chimaira
- Chiodos
- Choke
- Christina Aguilera
- Chugun
- Circa Survive
- Citizen Zero
- Clitgore
- Coheed and Cambria
- Combichrist
- Comeback Kid
- Conan
- Confide
- Confusion
- Consume The Vanity
- Consumed By Vultures
- The Contortionist
- Countime
- Cradle of Filth
- Creed
- Crest of Darkness
- Crowbar
- Crown The Empire
- The Cryptics
- The Cult
- Cumbeast
- The Curse of Millhaven
- Cypher
- Cypher16
- Cytotoxin