- Pioneer Pepper
- Pioneer Pepper & the Sunset Pioneers
- Pipers Gap Ramblers
- Pirates of the Miss
- 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
- +/- {Plus/Minus}
- Plymouth Group
- Po' Boys
- PO BOYZ
- Po' Moguls
- Poco