| Annual Sioux River Folk Festival | Canton | SD | United States | August | 1st Weekend | 3 Days | Folk, with potential inclusion of Americana, roots, and singer-songwriter artists. | Music |
| Appalachian Fiddle & Bluegrass Association Festival | Wind Gap | PA | United States | August | 1st Weekend | 4 Days | Bluegrass | Music |
| AVLFest | Asheville | NC | United States | August | 1st Weekend | 4 Days | Americana, Bluegrass, Country, Folk, Indie, Jam, Rock | Music |
| Basilica Block Party | Minneapolis | MN | United States | August | 1st Weekend | 2 Days | Indie Rock, Folk, Pop, Electronic, and Other Genres | Music |
| Bluegrass and Beer Festival | Keystone | CO | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Bluegrass at the Lake | Marion | KS | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Clifftop Appalachian Music Festival | Clifftop | WV | United States | August | 1st Weekend | 5 Days | Old-time | Music |
| County Line Country Fest | Prairie du Chien | WI | United States | August | 1st Weekend | 3 Days | Country | Music |
| Dillard Bluegrass and Barbeque Festival | Dillard | GA | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Everwild Music Festival | Thornville | OH | United States | August | 1st Weekend | 4 Days | Jam | Music |
| Galax Old Fiddler’s Convention | Galax | VA | United States | August | 1st Weekend | 6 Days | Traditional fiddle music and bluegrass, with strong roots influences and elements of Americana within the featured music. | Music |
| Grassfire Festival | Garrettsville | OH | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| Hinterland Music Festival | St. Charles | IA | United States | August | 1st Weekend | 2 Days | Indie, Alternative, Folk, Rock, Bluegrass with a diverse lineup across various genres | Music |
| Keystone Bluegrass and Beer Festival | Keystone | CO | United States | August | 1st Weekend | 2 Days | Bluegrass, with potential inclusion of Americana and roots influences. | Music |
| Lake Itasca Family Music Festival | Lake Itasca | MN | United States | August | 1st Weekend | 3 Days | Family-friendly music | Music |
| Lake Tahoe Reggae Festival | Lake Tahoe | CA | United States | August | 1st Weekend | 2 Days | Reggae | Music |
| Locomotion Fest | Felton | CA | United States | August | 1st Weekend | 3 Days | Jam, Bluegrass | Music |
| Mammoth Bluesapalooza | Mammoth Lakes | CA | United States | August | 1st Weekend | 4 Days | Variety | Music |
| Musikfest | Bethlehem | PA | United States | August | 1st Weekend | 10 Days | Country, Rock | Music |
| Newport Jazz Festival | Newport | RI | United States | August | 1st Weekend | 3 Days | Jazz | Music |
| Orange Army Bluegrass Festival | Flemingsburg | KY | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| Oregon Jamboree | Sweet Home | OR | United States | August | 1st Weekend | 3 Days | Country | 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 |
| PreddyFest Bluegrass Festival | Franklinton | NC | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| RapidGrass Bluegrass Festival | Idaho Springs | CO | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Reggae on the River | Humboldt County | CA | United States | August | 1st Weekend | 3 Days | Reggae | Music |
| Rhythms on the Rio | Del Norte | CO | United States | August | 1st Weekend | 3 Days | Americana, Bluegrass | Music |
| Rock the Rind | Brownstown | IN | United States | August | 1st Weekend | 3 Days | Country | Music |
| Salmonfest Alaska | Ninilchik | AK | United States | August | 1st Weekend | 3 Days | Jam | Music |
| Sturgis Rally Buffalo Chip | Sturgis | SD | United States | August | 1st Weekend | 10 Days | Rock, Country, Blues, and Metal | Music |
| Sugar Maple Traditional Music Festival | Madison | WI | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Sweet Pea Festival | Bozeman | MT | United States | August | 1st Weekend | 3 Days | Bluegrass, Jam, Rock | Music |
| The Osborne Brother’s Hometown Festival | Hyden | KY | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Vernon Fest | Hamilton | OH | United States | August | 1st Weekend | 1 Day | Bluegrass | Music |
| Watershed Country Music Festival | George | WA | United States | August | 1st Weekend | 3 Days | Country | Music |
| WE Fest | Detroit Lakes | MN | United States | August | 1st Weekend | 3 Days | Country | Music |
| We Fest | Elkins | WV | United States | August | 1st Weekend | 3 Days | Americana and Roots | Music |
| Wildlands Festival | Big Sky | MT | United States | August | 1st Weekend | 2 Days | Country | Music |
| Winlock Pickers Festival | Winlock | WA | United States | August | 1st Weekend | 3 Days | Bluegrass | Music |
| Ashley For The Arts | Arcadia | WI | United States | August | 2nd Weekend | 3 Days | Country, Pop, Rock | Music |
| Bayfront Blues Festival | Duluth | MN | United States | August | 2nd Weekend | 3 Days | Blues | Music |
| Beanstalk Music Festival | Bond | CO | United States | August | 2nd Weekend | 3 Days | Jam, Rock | Music |
| Black Bear Americana Music Festival | Kent | CT | United States | August | 2nd Weekend | 3 Days | Americana | Music |
| Blue Waters Bluegrass Festival | Medical Lake | WA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Bluegrass in the Park Folklife Festival | Henderson | KY | United States | August | 2nd Weekend | 2 Days | Bluegrass | Music |
| Bluegrass Under The Stars | Warsaw | VA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Braun Brothers Reunion | Challis | ID | United States | August | 2nd Weekend | 3 Days | Bluegrass, Folk, Rock | Music |
| Coal Miners Appreciation Bluegrass Festival | McClure | VA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Good Old Fashioned Bluegrass Festival | Tres Pinos | CA | United States | August | 2nd Weekend | 2 Days | Bluegrass | Music |
| Grand Country Nights | Hinckley | MN | | August | 2nd Weekend | 2 Days | Country | Music |
| Granite State Music Festival | Rollinsford | NH | United States | August | 2nd Weekend | 3 Days | Americana, Roots, Rock, Blues, Country, and Folk, featuring singer-songwriter artists. | Music |
| Guster’s On The Ocean | Portland | ME | | August | 2nd Weekend | 3 Days | Indie | Music |
| Hot August Music Festival | Cockeysville | MD | United States | August | 2nd Weekend | 1 Day | Bluegrass, Jam | Music |
| Hoxeyville Music Festival | Wellston | MI | United States | August | 2nd Weekend | 3 Days | Americana, with Folk, Roots, and Singer-Songwriter influences. | Music |
| Long Beach Jazz Festival | Long Beach | CA | United States | August | 2nd Weekend | 3 Days | Jazz | Music |
| Lovegrass Music Festival | Wilson Lake | KS | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| MN Bluegrass & Old-Time Music Festival | Richmond | MN | United States | August | 2nd Weekend | 4 Days | Bluegrass and Old-Time | Music |
| Mount St. Helens Bluegrass Festival | Toledo | WA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Neon Nights | North Lawrence | OH | United States | August | 2nd Weekend | 2 Days | Country | Music |
| Oak Grove Folk Music Festival | Staunton | VA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Old Fiddler’s Convention | Galax | VA | United States | August | 2nd Weekend | 6 Days | Bluegrass | Music |
| Old Town Music and Arts Festival | Williamsburg | OH | United States | August | 2nd Weekend | 2 Days | Bluegrass | Music |
| Osceola Music Festival | Osceola | IN | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| Outlandia Festival | Bellevue | NE | United States | August | 2nd Weekend | 2 Days | Indie, Rock | Music |
| Outside Lands | San Francisco | CA | United States | August | 2nd Weekend | 3 Days | Alternatic, Electronic, Hip Hop, Inide, Rock | Music |
| Podunk Bluegrass Music Festival | Goshen | CT | United States | August | 2nd Weekend | 4 Days | Bluegrass and Roots music | Music |
| Re/Evolution Festival | Darrington | WA | United States | August | 2nd Weekend | 3 Days | Bluegrass, Jam | Music |
| Rockin’ The Rivers | Three Forks | MT | United States | August | 2nd Weekend | 3 Days | Rock, Country, Blues | Music |
| Rocky Mountain Folks Festival | Lyons | CO | United States | August | 2nd Weekend | 3 Days | Folk music, with elements of Americana, singer-songwriter, and roots music. | Music |
| Rocky Mountain Folks Festival | Estes Park | CO | United States | August | 2nd Weekend | 3 Days | Likely Folk music, potentially with Americana and roots influences, based on the name and potential association with Planet Bluegrass. | Music |
| San Jose Jazz Festival | San Jose | CA | United States | August | 2nd Weekend | 3 Days | Jazz | Music |
| Telluride Jazz Festival | Telluride | CO | United States | August | 2nd Weekend | 3 Days | Jazz, Folk | Music |
| The Centralia Campout | Centralia | VA | United States | August | 2nd Weekend | 9 Days | Bluegrass | Music |
| The McDowell County Round Up | Marion | NC | United States | August | 2nd Weekend | 2 Days | Bluegrass | Music |
| Thing Festival | Carnation | WA | United States | August | 2nd Weekend | 3 Days | Indie, Pop, Rock | Music |
| Voices of America | Cincinnati | OH | United States | August | 2nd Weekend | 4 Days | Country | Music |
| Wattsburg Bluegrass Music Festival | Wattsburg | PA | United States | August | 2nd Weekend | 3 Days | Bluegrass | Music |
| XRoads41 | Oshkosh | WI | United States | August | 2nd Weekend | 3 Days | Country | Music |
| Afro Nation Detroit | Detroit | MI | United States | August | 3rd Weekend | 2 Days | Afrobeat | Music |
| Bannock County Bluegrass Festival | Inkom | ID | United States | August | 3rd Weekend | 3 Days | Bluegrass | Music |
| Bash on the Bay | Put-In-Bay | OH | United States | August | 3rd Weekend | 2 Days | Country | Music |
| Bass Canyon | George | WA | United States | August | 3rd Weekend | 3 Days | Bass, Electronic | Music |
| Big Mouth Bluegrass Festival | Grundy County | TN | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Billy’s Belly: Bluegrass Music Festival and Competition | Anson | ME | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Boston Folk Festival | Boston | MA | United States | August | 3rd Weekend | 3 Days | Folk music with a focus on traditional New England styles and diverse representations of folk music from around the world | Music |
| Breakaway Festival Michigan | Grand Rapids | MI | United States | August | 3rd Weekend | 2 Days | Pop, Rock, Electronic | Music |
| Camp Redwoods | Navarro | CA | United States | August | 3rd Weekend | 3 Days | Jam | Music |
| Gandy Dancer Festival | Mazomanie | WI | United States | August | 3rd Weekend | 1 Day | Bluegrass | Music |
| Gettysburg Bluegrass Festival | Gettysburg | PA | United States | August | 3rd Weekend | 4 Days | Bluegrass | Music |
| Green Mountain Bluegrass & Roots | Manchester | VT | United States | August | 3rd Weekend | 3 Days | Bluegrass | Music |
| Green Mountain Roots Festival | Richmond | VT | United States | August | 3rd Weekend | 4 Days | Roots music, with strong representation of Americana, folk, bluegrass, and singer-songwriter artists. | Music |
| Holly Bluegrass Festival | Holly | CO | United States | August | 3rd Weekend | Check Online | Bluegrass | Music |
| Lake Cumberland Bluegrass Festival | Russell Springs | KY | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Larryfest | LaFarge | WI | United States | August | 3rd Weekend | 3 Days | Bluegrass | Music |
| Laurel Hill Bluegrass Festival | Somerset | PA | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Lewis County Bluegrass Festival | Crawford | WV | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Mayville Bluegrass Festival | Mayville | NY | United States | August | 3rd Weekend | 1 Day | Bluegrass | Music |
| Mondegreen | Dover | DE | United States | August | 3rd Weekend | 4 Days | Jam | Music |
| North Carolina State Bluegrass Festival | Marion | NC | United States | August | 3rd Weekend | 3 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 |
| Philadelphia Folk Festival | Upper Salford | PA | United States | August | 3rd Weekend | 3 Days | Folk | Music |
| Reggae on the Mountain | Topanga | CA | United States | August | 3rd Weekend | 1 Day | Reggae | Music |
| SEMBA Summer Bluegrass Festival | Houston | MN | United States | August | 3rd Weekend | 4 Days | Bluegrass | Music |
| South Sound Block Party | Olympia | WA | United States | August | 3rd Weekend | 2 Days | Indie | Music |
| Summergrass Bluegrass Festival | Vista | CA | United States | August | 3rd Weekend | 3 Days | Bluegrass | Music |
| The Long Island Bluegrass & Roots Music Festival | Copiague | NY | United States | August | 3rd Weekend | 1 Day | Bluegrass | Music |
| Winding Creek Bluegrass Festival | Russiaville | IN | United States | August | 3rd Weekend | 4 Days | Bluegrass | Music |
| Wyoming State BBQ Championship & Bluegrass Festival | Worland | WY | United States | August | 3rd Weekend | 2 Days | Bluegrass | Music |
| Blistered Fingers Bluegrass Festival | Litchfield | ME | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Bluegrass in the Pines | Rosholt | WI | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Bowers Mansion Bluegrass Festival | Washoe Valley | NV | United States | August | 4th Weekend | 4 Days | Bluegrass | Music |
| Brown County Bluegrass Festival | Georgetown | OH | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| CBA Golden Old-time Campout | Guerneville | CA | United States | August | 4th Weekend | 4 Days | Bluegrass | Music |
| Chicago Jazz Festival | Chicago | IL | United States | August | 4th Weekend | 4 Days | Jazz | Music |
| Crook Farm Old-Time Music Festival | Bradford | PA | United States | August | 4th Weekend | 4 Days | Bluegrass | Music |
| Crowe Fest | Clay City | KY | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Dry Diggings | Auburn | CA | United States | August | 4th Weekend | 3 Days | Pop, Reggae, Rock | Music |
| Hippiefest | Omaha | NE | United States | August | 4th Weekend | 2 Days | Variety | Music |
| Mountain USA Festival | Gatlinburg | TN | United States | August | 4th Weekend | 3 Days | Country, Bluegrass, Folk, Americana | Music |
| Pickin’ in the Pasture | Lodi | NY | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Rainier Pickin’ Party | Rainier | WA | United States | August | 4th Weekend | 4 Days | Bluegrass | Music |
| Santa Cruz Mountain Sol Festival | Felton | CA | United States | August | 4th Weekend | 2 Days | Bluegrass, Rock, Soul | Music |
| Santa Fe TradFest | Santa Fe | NM | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| Shady Strong Bluegrass & Backyard BBQ Competition | Richford | NY | United States | August | 4th Weekend | 1 Day | Bluegrass | Music |
| Summertown Bluegrass Reunion | Summertown | TN | United States | August | 4th Weekend | 3 Days | Bluegrass | Music |
| The Big What? | Pittsboro | NC | United States | August | 4th Weekend | 3 Days | Jam | Music |
| The Lakes Bluegrass Festival | Pine River | MN | United States | August | 4th Weekend | 4 Days | Bluegrass | Music |
| Grand Targhee Bluegrass Festival | Alta | WY | United States | August | Check Online | 4 Days | Bluegrass, Folk | Music |
| Ten Pound Fiddle | Leland | MI | United States | August | Check Online | 2 Days | Americana, with a focus on singer-songwriters and Michigan artists, also featuring Folk, Roots, and Bluegrass influences. | Music |
| Front Porch Festival | Staurt | VA | United States | August | Labor Day Weekend | 4 Days | Jam | Music |
| Wrench Wranch Memorial Day Bluegrass Festival – , NY | Bainbridge | NY | United States | August | Labor Day Weekend | 4 Days | Bluegrass | Music |
| Rhode Island Folk Festival | East Providence | RI | United States | August | Last Sunday | 1 Day | Folk, with strong representation of Americana, singer-songwriter, and roots music. This free festival focuses on showcasing local and regional talent. | Music |
| Armenian “Madagh” Picnic | Racine | WI | United States | August | Last Weekend | 3 Days | Armenian Folk Music, Armenian Classical Music, Armenian Folk Dances, Armenian Vocal Music | Music |
| Four Corners Folk Festival | Galena | IL | United States | August | Last Weekend | 3 Days | Folk, Americana, singer-songwriter, with a focus on various folk music styles | Music |
| Santa Cruz Mountain Sol Festival | Felton | CA | United States | August | Last Weekend | 2 Days | Americana, Roots, Rock, Reggae, and more. | Music |
| Mississippi Delta Blues Festival | Greenville | MS | United States | August | Varies | 3 Days | Blues, with influences of Americana, Roots, and Gospel. | Music |
