- The Hangdogs
- The Hanson Family Singers
- The Harbour Union
- The Harden Trio
- The Harters
- The Hawkes Band
- The Hawking Brothers
- The Health & Happiness Show
- The Heartbreak Sisters
- The Hee Haw Gospel Quartet
- The Heebie Geebies
- The Henningsens
- The Heralds
- The Hi-Flyers
- The Hickups
- The Higgins
- The High 48s
- The High Lonesome
- The Highliners
- The Highwaymen
- The Hill Billies
- The HILL BROTHERS
- The Hillbenders
- The Hillbillys
- The Hillmen
- The Hilltops
- The Hiltner Brothers
- The Hippy Nuts
- The Hired Guns
- The Hogliners
- The Hole Dozen
- The Holidays
- The Hollisters
- The Hollyfelds
- The Holstein United Bluegrass Boys
- The Holston Valley Ramblers
- The Honey Eaters
- The Honky Tonk Troubadours
- The Hot Billys
- The Hot Strings
- The Hotdamns
- The Hotshot Freight Train
- The Howard Way
- The Huckleberries
- The Humbuckers
- The Humbugz
- The Hummingbirds
- The Hunger Mountain Boys
- The Hunter Lawley Band
- The Hush
- The Ideals
- The Idle Time Band
- The Ignitors
- The Iguanas
- The Infamous Stringdusters
- The Inkspots
- The Insiders
- The International Country All-Stars
- The International Country All-Stars
- The Invictas
- The JaneDear Girls
- The J.B. Pickers
- The Jenkins
- The Jeremy Graham Band
- The Jimmy Bowen Orchestra & Chorus
- The Joe Berry Show
- The John Hartford Stringband
- The John Jorgenson Bluegrass Band
- The Johnny Staats Project
- The Johnson Mountain Boys
- The Jones Boys
- The Jordan Sisters
- The Jordanaires
- The Josh Turner Tribute Band
- The Judds
- The Kactus Boys
- The Kamikaze Hearts
- The Karl Shiflett & Big Country Show
- The Kelleys
- The Kendalls
- The Kentucky Colonels
- The Kentucky Headhunters
- The Kentucky Ridgerunners
- The Kentucky Struts
- The Kentucky Travelers
- The Kettle Sisters
- The Ketuckians
- The Kid and Nic Show
- The Kinfolk
- The King Brothers
- The Kingdom Heirs