H.E.R.
Gabriella 'Gabi' Wilson
Songs: Best Part (& Daniel Caesar) - Hard Place - B.S. (& Jhené Aiko) - Damage - Come Through (& Chris Brown)
Hadestown (musical)
Anaïs Mitchell
Songs: Our Lady of the Underground (Amber Gray) - Flowers - Wait for Me (Reprise) (André De Shields) - Wedding Song - Road to Hell
Haevn Songs: We Are - Open Hearts (& Birdy)
Hairspray (musical)
The musical (2002)
See also: Hairspray (2007 film)

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

Songs: Ice Cream Man - Jump - Me Wise Magic - When It's Love - Panama
Didi Hallervorden Songs: Du, die Wanne ist voll (& Helga Feddersen)
Hamilton
The musical - Hamilton (Broadway Cast 2015)
See also: Leslie Odom Jr.

Songs: You'll be Back - Burn (Phillipa Soo) - I Know Him (Jonathan Groff) - Alexander Hamilton - The Schuyler Sisters
Lynne Hamilton Songs: On the Inside (Prisoner)
Beres Hammond
Also known as Hugh Beresford Hammond
Songs: Rock Away - I Feel Good
The Handsome Family Songs: Far From Any Road (True Detective)
Hanumankind Songs: Big Dawgs (& Kalmi)
Happy Feet
Happy Feet (2006) & Happy Feet 2 (2011)
Music from the Motion Picture

Songs: Do It Again (The Beach Boys) - Boogie Wonderland (Brittany Murphy) - Bridge of Light (Pink)
Richard Harris
Songs: MacArthur Park (Short version)
Mickey Harte Songs: We've Got the World (Eurovision Ireland)
Hazbin Hotel
See also: Helluva Boss
Songs: Loser, Baby - Poison (Blake Roman) - Hell Is Forever (Alex Brightman & Erika Henningsen) - You Didn't Know - Happy Day in Hell
He Is We
Rachel Taylor & Trevor Kelly
Songs: I Wouldn't Mind
Heart (band)
Ann Wilson, Nancy Wilson, Ben Smith, Ric Markmann, Debbie Shair & Craig Bartock
Songs: Alone - Crazy on You - Barracuda - Dog & Butterfly - Magic Man
Heaven 17
Songs: Temptation (& Carol Kenyon)
Bobby Hebb Songs: Sunny
Héctor & Tito Songs: Baila morena (& Don Omar & Glory)
Helix Songs: Rock You
Hello Songs: Tell Him
Helluva Boss
See also: Hazbin Hotel
Songs: 2 Minutes Notice (Sam Haft) - All 2 U (Motherf*cker) - Mastermind (Bryce Pinkham, Brandon Rogers & Patrick Page) - I Will Be Okay - Klown Bitch (Sam Haft)
Helmet Songs: Unsung
Audrey Hepburn Songs: Moon River (Breakfast at Tiffany's) - The Rain in Spain (My Fair Lady (film))
Marian Hill Songs: Down
Hiro Songs: À découvert (& Ninho)
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 - Tränen Lügen Nicht - Lucille (Mußt du jetzt gerade gehen) - Barfuß im Regen - El Lute
Peter Holm Songs: Monia
Justin Holmes Songs: Damn Addiction (Country Rebel Sessions)
Home Free
Austin Brown, Rob Lundquist, Adam Rupp, Tim Foust & Adam Chance
Songs: Ring of Fire (& Avi Kaplan) - Sea Shanty Medley (extended version) - Sea Shanty Medley
Evan Honer
Songs: Jersey Giant (& Julia DiGrazia)
Ace Hood Songs: Bugatti (& Future & Rick Ross)
Bob Hope Songs: Thanks for the Memory (& Shirley Ross)
Israel Houghton Songs: You Are Good (& New Breed)
How I Met Your Mother Songs: Let's Go to the Mall (Colbie Smulders)
Jes Hudak Songs: Different Worlds (& George Krikes)
Ikke Hüftgold Songs: Ich schwanke noch - Bumsbar (& DJ Robin & Schürze) - Modeste Song (& VFL Eschhofen & Kreisligalegende) - Pyrotechnik (& Marc Eggers & Balkonultra) - Rapunzel (& Die Draufgänger)
Hum Songs: Stars