- Billy Carmichael -- Billy Catfish
- Billy Cee -- Billy & Charles
- Billy Childish -- Billy Childish & the Musicians of the British Empire
- Billy Childs -- Billy Christ
- Billy & Chuck -- Billy Cliff
- Billy Clifford -- Billy Cobham Band
- Billy Cobham's Glassmenagerie -- Billy Collins
- Billy Connolly -- Billy Corbin
- Billy Corgan -- Billy Cote
- Billy Cotton -- Billy Couvson
- Billy Covington -- Billy Crawford
- Billy Crawford -- Billy Cross
- Billy Cross -- Billy Currie
- Billy Cyro -- Billy D. Little John
- Billy D. Smooth -- Billy da Kid
- Billy Dalessandro -- Billy Daniels
- Billy Dankert -- Billy Davenport
- Billy David Band -- Billy Davis
- Billy Davis -- Billy Daze
- Billy de Great -- Billy Dean and Dawn
- Billy Dee & The Super-Chargers -- Billy DenMead
- BILLY DERAL -- Billy Doggett
- Billy Dolan -- Billy Drewes
- Billy Drummond Quartet -- Billy Duke & Dukes
- Billy Dunn Bluesway -- Billy Earl McLelland
- Billy Ebeling -- Billy Eckstine & His Orchestra
- Billy Eldridge -- Billy Evans