| The Clerkenwell Kid |
| The Click |
| The Click Five |
| The Clientele |
| The Cliff Adams Singers |
| The Cliks |
| The Climax Chicago Blues Band |
| The Clinch Mountain Boys |
| The Clintons |
| The Clique |
| The Clockwork Angels String Ensemble |
| The CloneOfYou |
| The Cloud Hymn |
| The Cloud Room |
| The Clovers |
| The Clowns |
| The Clubmen |
| The Clumsy Lovers |
| The Clyde Valley Stompers |
| The Clydesiders |
| The Co-Dependents |
| The Co-Operative |
| The Coachmen |
| The Coal Miners |
| The Coal Mountain Ramblers |
| The Coal Porters |
| The Coast String Quartet |
| The Coasters |
| The Coats |
| The Coco Brothers |
| The Coco Brovahs |
| The Coconutz |
| The Coffin Nails |
| The Cole Brothers |
| The Colin Busby Big Swing Band |
| The Collapsable Hearts Club |
| The Collective |
| The Color |
| The Color Fred |
| The Color Morale |
| The Colorist |
| The Colour |
| The Colour Field |
| The Colourist |
| The Colts |
| The Comas |
| The Comets |
| The Command All-Stars |
| The Commander Cody Band |
| The Commanders |
| The Commitments |
| The Committee |
| The Commodores |
| The Common Linnets |
| The Commonwealth Band |
| The Communards |
| The Company |
| The Company |
| The Company of Snakes |
| The Comrades |
| The Comsat Angels |
| The Concretes |
| The Concussions |
| The Confederates |
| The Confession |
| The Confidentials |
| The Confusions |
| The Conga Kings |
| The Congos |
| The Congregation |
| The Congregation of Vapors |
| The Connect |
| The Connecticut Yankees |
| The Connells |
| The Connie's Inn Orchestra |
| The Conquistadors |
| The Conscious Daughters |
| The Consequence |
| The Conspirators |
| The Contemporary Youth Orchestra |
