- hHa
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- HegHei
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- HumHun
- HunHun
- HunHur
- HurHus
- HusHyb
- HybHyn
- HYOHyr
- HyrHZY
- Happy Fits, The
- Happy Gang (Hungarian pop band)
- Happy Goodman Family, The (southern gospel group)
- Happy Goodmans, The
- Happy Halloween Music
- Happy Hour (Indie Rock from Michigan)
- Happy Hour (post-hardcore band from South Florida)
- Happy Hunting Ground, The (Belgian 1980s new wave band)
- Happy Mondays
- Happy Ol’ McWeasel
- Happy Pills
- Happy Problem, The
- Happy Sad
- Happy Science
- Happy the Man
- Happy Trails
- Happy Vibes, DJ feat. Jazzmin
- Happy, Heidi (Swiss singer-songwriter)
- Happy, The (Belgian 2010s indie / electro pop band)
- Happy.
- happydaze (UK Pop Punk)
- Happydeadmen
- Happyendings
- Happyendless
- HappyHappy (Daymon Ryan)
- Happyhead
- Happyland
- Happylife
- Happyness (UK alternative rock band)
- Happysad
- Happyvoid (Shoegaze band from San Antonio)
- Haq, Zia Ul
- Haque, Fareed
- Har Mar Superstar
- Hara (Romanian pop-rock band)
- Hara (Indonesian singer)
- Hara (South Korean Rapper)
- Hara, The (UK alternative rock band)
- Hara, Yuko (keyboardist for Southern All Stars)
- Hara, Yumi
- Harada, Tomoyo
- Haragán y Cía., El
- Harahap, Rinto
- Harajuku
- Harakami, Rei
- Harakiri for the Sky (black metal/post-rock)
- Haramiler
- Haran, Mary Cleere
- Harana
- Harari (South African fusion band)
- Harasim, Nate
- Harasim, Nate featuring Hardcastle, Maxine
- Harbinger (UK metal)
- Harbinger, Ed
- Harbor, Souls
- Harbour (Indie Alternative Rock from Libanon, Ohio.)
- Harbour (Australian Prog Metal)
- Harbour Union, The
- Harbours
- Harbridge, Taryn
- Harburg, Yip
- HARC
- Harcourt, Ed (English singer‐songwriter)
- Harcsa, Veronika (Hungarian jazz singer/songwriter)
- Hard (Hungarian rock band)
- Hard 2 Obtain
- Hard Aches, The
- Hard Bass School
- Hard Bass School & XS Project
- Hard Boiled
- Hard Bop Messengers
- Hard Christ
- Hard Corps
- Hard Creation
- Hard Disk Drive
- Hard Driver (Freek Van Kempen)
- Hard Driver & Villain, MC
- Hard Evidence vs. Wideboys, The & Majestic
- Hard Excess
- Hard Feelings (Joe Goddard + Amy Douglass)
- Hard Girls
- Hard House Banton
- Hard in Tango
- Hard Kaur
- Hard Knocks (90s US hip-hop group)
- Hard Lessons, The
- Hard Mind (Hardcore band from Rennes, France)
- Hard Rain (Tony Clarkin & Bob Catley band after Magnum)
- Hard Reset
- Hard Rock Sofa & Swanky Tunes
