- hHA
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- HumHun
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- Horizon Ignited
- Horizon Problem (German metalcore band)
- Horizons Edge
- Horkýže Slíže
- Hormiga, La
- Hórmónar
- Hormonauts, The
- Horn (German black metal project)
- Horn Knox
- Horn of the Rhino
- Horn, Guildo
- Horn, Guildo & Die Orthopädischen Strümpfe
- Horn, Jana
- Horn, Jazzmeia (US jazz singer and songwriter)
- Horn, Jazzmeia feat. Ross, Jamison
- Horn, Jeremy (Christian artist)
- Horn, Jim (saxophonist, hornist, flutist and oboist)
- Horn, Maritza
- Horn, Melissa
- Horn, Melissa med Winnerbäck, Lars
- Horn, Reinhard
- Horn, Shirley
- Horn, Shirley, Ables, Charles, Hart, Billy
- Horn, Shirley, Trio, The
- Horn, The (UK techno DJ/producer Steven Horne)
- Horn, Trevor
- Horn, Trevor feat. Almond, Marc
- Horn, Trevor feat. Amos, Tori
- Horn, Trevor feat. Astley, Rick
- Horn, Trevor feat. Corr, Andrea & Lukeman, Jack
- Horn, Trevor feat. Hogarth, Steve
- Horn, Trevor feat. Lady Blackbird
- Horn, Trevor feat. Lukeman, Jack
- Horn, Trevor feat. Pop, Iggy & Lunny, Phoebe
- Horn, Trevor feat. Seal
- Horn, Trevor feat. Willcox, Toyah & Fripp, Robert
- Horna (Finnish black metal band)
- Hornal
- Hornbostel, Christian
- Horne Section, The
- Horne, Espen
- Horne, Jimmy "Bo"
- Horne, Lena
- Horne, Lena & Davis, Sammy, Jr.
- Horne, Lena & Szabó, Gábor
- Horne, Marilyn (American operatic mezzo-soprano)
- Horne, Ryan
- Horned Almighty (Danish black metal)
- Horned Wolf
- Horner, James (American score composer)
- Horner, James & Dion, Céline
- Horner, James & London Symphony Orchestra
- Horner, Steve
- Horner, Yvette
- Hornet La Frappe
- Hornet La Frappe feat. Kalash Criminel
- Hornet La Frappe Feat. Maes
- Hornet La Frappe feat. Ninho
- Hornets, The
- Hornsby, Bruce
- Hornsby, Bruce & Mercer, James
- Hornsby, Bruce & Moose, Rob
- Hornsby, Bruce & Noisemakers, The
- Hornsby, Bruce & Russell, Leon
- Hornsby, Bruce & Skaggs, Ricky
- Hornsby, Bruce & the Range
- Hornsby, Bruce feat. yMusic
- Hornsby, Bruce, Woods, Jamila & Reid, Vernon
- Hornum koret (Danish children from Hornum School)
- Horny Toad!
- HOROJO Trio
- Horóscopos de Durango, Los
- Horowitz, Anthony (British writer)
- Horowitz, Vladimir Samoylovich (American pianist and composer)
- Horregias
- Horrendous (Philadelphian death metal)
- Horrible (Chicago punk/rock band)
- Horrible Creatures
- Horrible Crowes, The (Ian Perkins and Brian Fallon)
- Horrible Timing
- Horrid Sight (Death/Thrash Metal from Mexico)
- Horrifier (Death Metal from Norway)
- Horrizon
- Horrocks, Jane (Little Voice)
- Horror Dance Squad
- Horror My Friend
- Horror Section
- Horror Show
- Horror The Horror, The (Swedish band)
- Horror Vacui (Post Punk/Goth Rock/Death Rock)