- Blacker -- Blaine Larsen
- BLAINE ROY -- Blake Mountain Band
- Blake Powers -- Blaze Foley & Friends
- Blaze Foley Hillbilly Band -- Blind Woman Wearing Head Phone
- Blondie Brooks -- Blue Diamond Shine
- Blue-Eyed Eddie Diamond -- Blue Miller
- Blue Moon Orchestra -- Blue Ridge Duo
- Blue Ridge Mountain Boys -- Blue Smoke
- Blue Yonder -- Bluegrass Brethren
- Bluegrass Brothers -- Blueground Undergrass
- Bluehearts -- Bo Harrison
- Bo Isaac -- Bob & Adele Tobin
- Bob Alan -- Bob Beckham