H.E.R.
Gabriella 'Gabi' Wilson
Songs: Best Part (& Daniel Caesar) - Focus - B.S. (& Jhené Aiko) - Girl Like Me (& Jazmine Sullivan) - Slow Down (& Skip Marley)
Nico Haak
en de Paniekzaaiers
Songs: Foxy Foxtrot - Schmidtchen Schleicher
Hadestown (musical)
Anaïs Mitchell
Songs: Road to Hell - All I've Ever Known - Flowers - Hey, Little Songbird (Patrick Page & Eva Noblezada) - Our Lady of the Underground (Amber Gray)
Haevn Songs: We Are - Open Hearts (& Birdy)
Carola Häggkvist Songs: Främling (Eurovision Sweden) - Fångad av en stormvind
Hairspray (musical)
The musical (2002)
See also: Hairspray (2007 film)

Songs: Good Morning Baltimore (Marissa Jaret Winokur) - (It's) Hairspray - Cooties - It Takes Two (Marissa Jaret Winokur & Matthew Morrison)
Van Halen
Edward Van Halen, Alex Van Halen, David Lee Roth, Wolfgang Van Halen & Sammy Hagar
See also: Mammoth WVH

Songs: Jump - You Really Got Me - Best of Both Worlds - Big Bad Bill (Is Sweet William Now) - Ain't Talkin' 'Bout Love
Halocene Songs: Unholy
Hamilton
The musical - Hamilton (Broadway Cast 2015)
See also: Leslie Odom Jr.

Songs: You'll be Back - Burn (Phillipa Soo) - Wait For It - Say No to This - Satisfied
Lynne Hamilton Songs: On the Inside (Prisoner)
The Handsome Family Songs: Far From Any Road (True Detective)
Hardwell Songs: Dare You (& Matthew Koma)
Richard Harris Songs: MacArthur Park (Short version)
Hazbin Hotel
See also: Helluva Boss
Songs: Poison (Blake Roman) - Loser, Baby - More Than Anything (Jeremy Jordan & Erika Henningsen) - Hell's Greatest Dad - Addict (Michael Kovach & Chi-Chi)
Heart (band)
Ann Wilson, Nancy Wilson, Ben Smith, Ric Markmann, Debbie Shair & Craig Bartock
Songs: Alone - Magic Man - All I Wanna Do Is Make Love to You - What About Love - Barracuda
Bobby Hebb
Songs: Sunny
Helluva Boss
See also: Hazbin Hotel
Songs: 2 Minutes Notice (Sam Haft) - Klown Bitch (Sam Haft)
Helmet Songs: Unsung
Jimi Hendrix
The Jimi Hendrix Experience
Songs: Freedom - Who Knows (live) - Bold as Love - Little Wing - Hey Joe
Audrey Hepburn Songs: Moon River (Breakfast at Tiffany's) - The Rain in Spain (My Fair Lady (film))
Herbs Songs: Long Ago
Marian Hill Songs: Down
Hocus Pocus (film) Songs: The Witches Are Back - One Way or Another (Sarah Jessica Parker, Bette Midler & Kathy Najimy) - Sarah's Theme (Come Little Children) (Sarah Jessica Parker)
Hoku Songs: Perfect Day
Greg Holden Songs: The Lost Boy (Sons of Anarchy)
Hollywood Hotel Songs: Hooray For Hollywood (Frances Langford & Johnnie Davis)
Dallas Holm Songs: Rise Again (live) (& Praise)
Michael Holm Songs: Mendocino - Lucille (Mußt du jetzt gerade gehen) - Barfuß im Regen - Tränen Lügen Nicht - El Lute
Peter Holm Songs: Monia
Home Free
Austin Brown, Rob Lundquist, Adam Rupp, Tim Foust & Adam Chance
Songs: Sea Shanty Medley - Sea Shanty Medley (extended version) - Ring of Fire (& Avi Kaplan)
Honk! Songs: Delfin (& Isi Glück) - Anna-Lena (& Deejay Matze)
Ace Hood Songs: Bugatti (& Future & Rick Ross)
Bob Hope Songs: Thanks for the Memory (& Shirley Ross)
Bruce Hornsby
Bruce Hornsby and the Range
Songs: The Way It Is (Short version) - The Valley Road - Mandolin Rain - Great Divide - Fields of Gray
How I Met Your Mother Songs: Let's Go to the Mall (Colbie Smulders)
Ikke Hüftgold Songs: Bumsbar (& DJ Robin & Schürze) - Dicke titten kartoffelsalat - Ich schwanke noch - Modeste Song (& VFL Eschhofen & Kreisligalegende) - Rapunzel (& Die Draufgänger)
Hum
Songs: Stars
Lord Huron
Songs: The Night We Met - Meet Me in the Woods - I Lied (& Allison Ponthier)