| Pagosa Folk ‘n Bluegrass | Pagosa Springs | CO | United States | June | 2nd Weekend | 1 Day | Bluegrass and folk music | Music |
| Palatka Bluegrass Festival | Palatka | FL | United States | February | 3rd Weekend | 3 Days | Bluegrass | Music |
| Palisade Bluegrass & Roots Festival | Palisade | CO | United States | June | 3rd Weekend | 3 Days | Bluegrass and roots music | Music |
| Palm Coast Songwriting Festival | Palm Coast | FL | United States | May | 1st Weekend | 4 Days | Singer-songwriter, Americana, folk | Music |
| Panama Songwriters Festival | Panama City | FL | United States | November | 2nd Weekend | 3 Days | Singer-songwriter, Americana, folk | Music |
| Papa Joe’s Banjo-B-Que Music Fest | Evans | GA | United States | October | 2nd Weekend | 2 Days | Bluegrass | Music |
| Park City Folk Festival | Park City | UT | United States | August | 3rd Weekend | 3 Days | Primarily folk, with strong representation of Americana, singer-songwriter, and roots music. This festival offers a diverse lineup within the folk genre, including Americana influences. | Music |
| Parkfield Bluegrass Festival | Parkfield | CA | United States | May | Mother’s Day Weekend | 4 Days | Bluegrass | Music |
| Pat Strawhun Memorial Winter Bluegrass Festival | Eureka | MO | United States | January | Varies | 2 Days | Bluegrass | Music |
| Patriotic Festival | Norfolk | VA | United States | May | 4th Weekend | 3 Days | Country | Music |
| Payson Fiddle & Food Truck Festival | Payson | AZ | United States | September | 3rd Weekend | 2 Days | Bluegrass | Music |
| Peace, Love & Union Saltwater Songwriter Festival | Union | WA | United States | July | 3rd Weekend | 8 Days | Bluegrass | Music |
| Peacemaker Festival | Fort Smith | AR | United States | October | 2nd Weekend | 2 Days | Country | Music |
| Pendleton Whisky Music Fest | Pendleton | OR | United States | July | 3rd Weekend | 1 Day | Country, Pop | Music |
| Pensacola Beach Songwriters Festival | Pensacola Beach | FL | United States | October | 1st Weekend | 6 Days | Singer-songwriter, Americana, folk | Music |
| Perrysburg Bluegrass Festival | Perrysburg | OH | United States | June | 2nd Weekend | 3 Days | Bluegrass | Music |
| Philadelphia Folk Festival | Upper Salford | PA | United States | August | 3rd Weekend | 3 Days | Folk | Music |
| Philly Music Fest | Philadelphia | PA | United States | October | 3rd Weekend | 7 Days | Alternative, Americana, Folk, Hip Hop, Indie, Pop, Punk, Rock | Music |
| Pickathon | Happy Valley | OR | United States | August | 1st Weekend | 4 Days | Bluegrass, Indie | Music |
| Pickin in Parsons | Parsons | WV | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| Pickin’ at the Post | Luray | VA | United States | September | 1st Weekend | 2 Days | Bluegrass | Music |
| Pickin’ by the Lake | Roxboro | NC | United States | May | 3rd Weekend | 1 Day | Bluegrass | Music |
| Pickin’ in the Park | Pleasant Garden | NC | United States | May | 3rd Saturday | 1 Day | Bluegrass | Music |
| Pickin’ in the Pasture | Lodi | NY | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Pickin’ in the Pines Bluegrass & Acoustic Music Festival | Flagstaff | AZ | United States | September | 2nd Weekend | 3 Days | Bluegrass and Acoustic Music, with potential inclusion of Americana and roots music. | Music |
| Pickin’ in the Rockies | Loma | CO | United States | May | Memorial Day Weekend | 1 Day | Bluegrass | Music |
| Pickin’ on Picknic | St. Clair | MO | United States | July | 2nd Weekend | 4 Days | Bluegrass | Music |
| Pickin’ on the Hill | French Creek | WV | United States | June | 1st Saturday | 1 Day | Bluegrass | Music |
| Pickin’ on the Plains | Colby | KS | United States | June | 1st Weekend | 3 Days | Bluegrass, with some elements of Cowboy/Western music | Music |
| Pickin’ on the Pungo Bluegrass Festival | Belhaven | NC | United States | September | 2nd Weekend | 3 Days | Bluegrass | Music |
| Pickin’ Party at the Holiday Inn | Virginia Beach | VA | United States | March | 2nd Weekend | 3 Days | Bluegrass | Music |
| Pigeon Forge Bluegrass Festival | Pigeon Forge | TN | United States | September | 3rd Weekend | 2 Days | Bluegrass | Music |
| Pilgrimage Music Festival | Franklin | TN | United States | September | 4th Weekend | 2 Days | Bluegrass, Folk, Indie, Rock | Music |
| Pitchfork Festival | Chicago | IL | United States | July | 3rd Weekend | 3 Days | Indie, Alternative | Music |
| Plattsburgh Bluegrass Festival | Plattsburgh | NY | United States | July | 2nd Weekend | 5 Days | Bluegrass | Music |
| Pleasantville Music Festival | Pleasantville | NY | United States | July | 2nd Weekend | 1 Day | Rock, Indie, Alternative, and Other Genres | Music |
| Plumas Homegrown Americana Festival | Quincy | CA | United States | September | 1st Weekend | 2 Days | Americana | Music |
| Podunk Bluegrass Music Festival | Goshen | CT | United States | August | 2nd Weekend | 4 Days | Bluegrass and Roots music | Music |
| Poppy Mountain Music Festival | Morehead | KY | United States | September | 3rd Weekend | 5 Days | Bluegrass | Music |
| Poston Lake Bluegrass Festival & Jam | Stewart | OH | United States | July | 2nd Weekend | 2 Days | Bluegrass | Music |
| Pre July 4th Celebration | Marshville | NC | United States | June | 4th Weekend | 3 Days | Patriotic, Country, Rock, Pop | Community Festival |
| PreddyFest Bluegrass Festival | Franklinton | NC | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| Prescott Bluegrass Festival | Prescott | AZ | United States | June | 3rd Weekend | 2 Days | Bluegrass | Music |
| Project Pabst | Portland | OR | United States | July | 4th Weekend | 2 Days | Alternative, Hip Hop, Indie, Rock | Music |
