| Contriology | 1 | 1 |
| Conventum | 1 | 1 |
| Cool Calm Pete | 1 | 1 |
| Cool Ghouls | 1 | 1 |
| Corde Oblique | 1 | 1 |
| Core | 0 | 1 |
| Coriky | 1 | 1 |
| Cornelis Vreeswijk | 1 | 1 |
| Corubo | 1 | 1 |
| Corviria | 1 | 1 |
| Corvus Corax | 1 | 1 |
| Cory Smythe | 3 | 1 |
| Cosa Brava | 1 | 1 |
| Cosculluela | 6 | 1 |
| Cosmic Eye | 1 | 1 |
| Cosmo Pyke | 0 | 1 |
| Cosmo Sheldrake | 1 | 1 |
| Costa Azul | 4 | 1 |
| Cotton Mather | 6 | 1 |
| Couch Slut | 1 | 1 |
| Count Five | 1 | 1 |
| Courting | 0 | 1 |
| Courtney Barnett and Kurt Vile | 1 | 1 |
| Cousin Emmy | 1 | 1 |
| Covet | 2 | 1 |
| Cowboy Hunters | 0 | 1 |
| Cowboy Sadness | 1 | 1 |
| Cows | 10 | 1 |
| Coyal McMahan | 1 | 1 |
| Crack | 1 | 1 |
| Cracker | 10 | 1 |
| Craig David | 9 | 1 |
| Craig Xen | 0 | 1 |
| Crank | 1 | 1 |
| Cravinhos | 1 | 1 |
| Craw | 4 | 1 |
| Crawl | 1 | 1 |
| Crazy Town | 1 | 1 |
| Creativezito | 1 | 1 |
| Creeper | 1 | 1 |
| Creepy Nuts | 4 | 1 |
| Crime | 0 | 1 |
| Crime & the City Solution | 1 | 1 |
| Crime in Choir | 1 | 1 |
| Crippling Alcoholism | 1 | 1 |
| Crizin da Z.O. | 4 | 1 |
| Crucible | 0 | 1 |
| Crucis | 2 | 1 |
| Cruel Force | 1 | 1 |
| Crumb | 3 | 1 |
| Crying | 1 | 1 |
| Cryobiosis | 1 | 1 |
| Cryptic Shift | 1 | 1 |
| Cryptodira | 1 | 1 |
| Crystal Skulls | 1 | 1 |
| Crystal Stilts | 1 | 1 |
| Cuarteto Matamoros | 0 | 1 |
| Cucamaras | 0 | 1 |
| Culpeper’s Orchard | 5 | 1 |
| Cult Leader | 0 | 1 |
| Cult of Luna | 1 | 1 |
| Curió Curió | 1 | 1 |
| Cursed Earth | 1 | 1 |
| Curtis Fowlkes | 1 | 1 |
| Curtis Fuller | 35 | 1 |
| Curtis Harding | 1 | 1 |
| Curtis McMurtry | 1 | 1 |
| Curve | 1 | 1 |
| Cut Worms | 1 | 1 |
| Cybotron | 1 | 1 |
| Cymbals | 1 | 1 |
| Cynthia Dall | 1 | 1 |
| Czarface | 11 | 1 |
| Czesław Bartkowski | 1 | 1 |
| Cámara Chilena de la Destrucción | 1 | 1 |
| Cátia de França | 1 | 1 |
| Cécile Corbel | 0 | 1 |
| Cécile McLorin Salvant | 2 | 1 |
| Cícero | 1 | 1 |
| Cóclea | 1 | 1 |
| D. Charles Speer | 3 | 1 |
| D.I. | 0 | 1 |
| D.R.I. | 1 | 1 |
| DANGERDOOM | 1 | 1 |
| DARTZ | 1 | 1 |
| DEAFCULT | 3 | 1 |
| DEMONDICE | 0 | 1 |
| DIR EN GREY | 1 | 1 |
| DIRT | 0 | 1 |
| DJ Anderson do Paraíso | 1 | 1 |
| DJ Encore | 1 | 1 |
| DJ Finale | 1 | 1 |
| DJ Healer | 1 | 1 |
| DJ Krush | 18 | 1 |
| DJ Metatron | 1 | 1 |
| DJ RaMeMes | 1 | 1 |
| DJ Rozwell | 9 | 1 |
| DJ Sabrina the Teenage DJ | 1 | 1 |
| DJ Sprinkles | 1 | 1 |
| DJ Travella | 1 | 1 |