- Blessington -- Blind Justice
- Blind Lars Henrik -- Blinky Blink
- Blinky Moon Boys -- BLM
- Blümchen -- Blonds
- Blondy -- Bloodhorse
- Bloodhound -- Blossom Dearie
- Blossom Dearie & Les Blue Stars -- Blue
- Blue -- Blue Diamonds
- Blue Diamonds/Grana Louise -- Blue Knights
- Blue Lady Quintet -- Blue Pilots Project
- Blue Pine -- Blue Stingrays
- Blue Stockings -- Bluegrace
- Bluegrass Alliance -- Bluegrass Christmas Jamboree