- H. Scott Salinas
- H.A.L. Harmann
- H.R. Giger
- Hackplant
- Hadik
- Hal Hartley
- Hallowed Ween
- Hamilton Cleverdon
- Hamlet
- Hanan Townshend
- Hannah Woolmer
- Hannes De Maeyer
- Hanney Mackoll
- Hanny Williams
- Hans Johnson
- Hans Martin Majewski
- Hans Zimmer
- Harald Kloser
- Harana
- Haricharan Seshadri
- Hariprasad Mahakali
- Harmon Dynamics
- Harmonie Ensemble / New York
- Harold Arlen
- Harold Faltermeyer
- Harry Allouche
- Harry Escott
- Harry Gregson-Williams
- Harry Manfredini
- Harsh Music
- Harshit Verma
- HARU
- Haruma River Flows
- Harumi Fuuki
- Hasso Gakudan
- Hauschka
- Hayley Westenra
- Hearhear
- Heartbreaking Cantata
- Heather Christian
- Hefka
- Heimerinoi Kolymvites
- Heitor Pereira
- Helen Lynch
- Hellenica
- Hendrik Schwarzer
- Henning Fuchs
- Henning Thielke
- Henri Mancini and His Orchestra
- Henri Seroka
- Henrik Lörstad
- Henrik Skram
- Henry Jackman
- Henry Mancini
- Henry Mancini and His Orchestra
- Henry Salomon y Orquesta
- Henry Salomon y su Orquesta
- Herbie Hancock
- Herdís Stefánsdóttir
- Here Lies
- HERIBERTO CARBAJAL MALVAEZ
- Herman Witkam
- Hero Zone
- Herr Lilienstein
- Herschel Burke Gilbert
- Hibriza Nail Hawwa
- Hideyuki Fukasawa
- Hielke Praagman
- Hideyuki Fukasawa
- Hielke Praagman
- High School Music Band
- High Scores Media LLC
- Highland Arts Theatre Original Cast
- Hikaru Nakai
- Hildur Guðnadóttir
- Hilmar Orn Hilmarsson
- Hilmar Örn Hilmarsson
- Hiromu Yamaguchi
- Hiroyuki Sawano
- Hobbit Dreamland
- Hof
- Hollywood Pictures Orchestra
- Hollywood Symphony Orchestra
- Holy Hum
- Hong Dae Kwang
- Hope Robots
- Horváth Márton
- Howard Ashman
- Howard Drossin
- Howard McGhee Quintet
- Howard Shore
- Hudson Mohawke
- Hugh Wolff
- Hugo Friedhofer
- Hugo Machine
- Hugo Montenegro
- Hugues Damesin
- Humberto
- Hungarian Studio Orchestra
- Hutch Demouilpied
- HxN_d:LV