- The Pickin' On Pickers
- The Pine Box Boys
- The Pine Street String Band
- The Piners
- The Pines
- The Pink Shoelaces
- The Pink Stockbrokers
- The Pioneers
- The Pistoleros
- The Plain Dealers
- The Plants
- The Pleasant Groove Minstrels
- The Pleasure Barons
- The Podunk Poets
- The Possibilities
- The Possum Trot Orchestra
- The Povertyneck Hillibilles
- The Powder Kegs
- The Principles
- The Procrastinators
- The Profiles
- The Progressives
- The Psychobilly Kadillaks
- The Radio Sweethearts
- The Rage
- The Rainbow Ranch Boys
- The Rambler Trio
- The Ramblers
- The Rambling Rogue
- The Ranch
- The Ranchhands
- The Randy Rogers Band
- The Range Riders
- The Raptors
- The Rattlers
- The Raybon Brothers
- The Reachers
- The Reclines
- The Red Beards From Texas
- The Red River Band
- The Red River Two
- The Redneck Beerdrinkers
- The Reinsmen
- The Reluctant Playboys
- The Remingtons
- The Remus Tucker Band
- The Reno Tradition
- The Resentments
- The Restless Breed
- The Reverend Billy C. Wirtz
- The Reverend Nathan Brady Crain
- The Rexter
- The Rhythm Lads
- The Rice Brothers
- The Rice Brothers Gang
- The Riders
- The Riders
- The Ridge Riders
- The Ridgerunners Band
- The Ridler Brothers
- The Riggs
- The Right Brothers
- The Rio Grande Band
- The Roadoilers
- The Roane County Ramblers
- The Rockingbirds
- The Rocky Mountain Boys
- The Rocky Rhoads
- The Rodeo Tune Twisters
- The Rodeos
- The Rogue River Band
- The Rogue River String Band
- The Rosellys
- The Rosie Taylor Project
- The Rosinators
- The Rouch Bros.
- The Roughnecks
- The Rovers
- The Rowan Brothers
- The Rowans
- The Rowdy Prairie Dogs
- The Roy Owens Jr.
- The Royal Hawaiian Minstrels
- The Roys
- The Rubberneckers
- The Runaway Truck Tramps
- The Runnin' Kind
- The Rusty Strings
- The Rythym Fysh
- The Saddle Boogie Band
- The Saddle Tramps