- Pirates of the Mississippi
- Pirongia Mountain Men
- Pistol Annies
- Pistol Pete
- Pistol River
- Pitch Fork
- Pizza Bob Neace
- PJ Bottoms
- P.J. Jackson
- PJ Parks
- P.J. Price
- PJ Steelman
- PL Parke
- Plainsmen
- Plainview
- Plava Trava Zaborava
- Playboys II
- Players
- Playground
- Playright Players
- Pleasant Grove
- Pleasant Valley Boys
- Plough
- Plumb
- Plumb
- +/- {Plus/Minus}
- Plymouth Group
- Po' Boys
- PO BOYZ
- Po' Moguls
- Poco
- Poetown Ramblers
- Police Dog Hogan
- Polk Miller
- Polly Parsons
- Pontus Snibb
- Ponyno
- Poodle Lynn
- Poodle Lynn and the Backstage Band
- Poor Man's Whiskey
- Poor Richard's Hound
- Pop And Mavis Staples
- Poplin Family
- Pork McElhinny
- porkbelly futures
- Porky Freeman
- Porky Freeman Trio
- Porlolo
- Pormendade Country Band