- B. Burch -- B-Star
- B. Thomas -- Babs Winn
- Baby You Know -- Backroads
- Backroom Bluegrass Band -- Bad Love Junkie
- Badbob & Jimmy -- Bailey
- Bailey Brothers -- Baker and Myers
- Baker & Honeycutt -- BanjerDan
- Banjo Dan -- Bar G Wranglers
- Bar X Cowboys -- Barbara Dulley
- Barbara Fairchild -- Barbara Kuhns
- Barbara Lamb -- Barbara Stein Mallow
- barbaracecil -- Bargain Music
- BarGWranglers -- Barney Bruce
- Barney Robertson -- Barry Bloodworth
- Barry "Bones" Patton -- Barry Etris
- Barry Glenn Davis -- Barry P. Foley
- Barry P. Foley -- Barry Waldrep
- Barry Walsh -- Bart Crow Band
- Bart Hansen -- Bary Abernathy
- Bashful Brother Oswald -- Baucom, Bibey, Graham & Haley
- Baxter Black -- Bayou Lagniappe
- Bayou Pickers -- B.C. Garner