| Hammons Family Fiddle & Banjo Contests and World Class Jam | Marlinton | WV | United States | July | Bluegrass |
| Hardly Strictly Bluegrass | San Francisco | CA | United States | October | Bluegrass, with some Americana, Folk, and Roots influences |
| Hardtimes Bluegrass Festival | Hamilton | MT | United States | July | Bluegrass |
| Harley-Davidson Homecoming Festival | Millwaukee | WI | United States | July | Rock, Country, Blues, and Pop |
| Harmony Woods Music & Beer Fest | Bel Air | MD | United States | June | 3rd Weekend |
| Hawaii Songwriting Festival | Kauai | HI | United States | May | Singer-songwriter, Americana, folk |
| Headin’ Home Fest | Swainsboro | GA | United States | October | Bluegrass, with a focus on family-friendly atmosphere and camping |
| Headwaters Country Jam | Three Forks | MT | United States | July | Country |
| Hiawatha Traditional Music Festival | Marquette | MI | United States | July | Variety |
| High Mountain Hay Fever Festival | Westcliffe | CO | United States | July | Americana, roots, bluegrass, folk, and a variety of other genres |
| High Sierra Music Festival | Quincy | CA | United States | July | Bluegrass |
| Hillberry Harvest Moon Festival | Eureka Springs | AR | United States | October | Bluegrass, Jam |
| Hills of Home Festival | McClure | VA | United States | May | Bluegrass |
| Hinterland Music Festival | St. Charles | IA | United States | August | Indie, Alternative, Folk, Rock, Bluegrass with a diverse lineup across various genres |
| Hippiefest | Omaha | NE | United States | August | Variety |
| HOBA’s Fall Bluegrass Festival | West Plains | MO | United States | September | Bluegrass |
| HOBO Spring Bluegrass Festival | West Plains | MO | United States | June | Bluegrass |
| Hodag Country Festival | Rhinelander | WI | United States | July | Country |
| Hollywood Rescue Squad Bluegrass Festival | Leonardtown | MD | United States | September | Bluegrass |
| Holo Holo California | Sacramento | CA | United States | September | Reggae |
| Honeymoon Island Bluegrass Festival | Dunedin | FL | United States | December | Bluegrass |
| Hoppin’ John Old-Time & Bluegrass Fiddler’s Convention | Pittsboro | NC | United States | September | Bluegrass |
| Horseshoe Music Festival | Jackson | WY | United States | September | Americana |
| Hot August Music Festival | Cockeysville | MD | United States | August | Bluegrass, Jam |
| Huck Finn Jubilee | San Dimas | CA | United States | October | Bluegrass |
