Labels – H
- Halcyon
- Hallé
- Hänssler
- Harbinger Records
- Hardy
- Harle Records
- Harmonia Mundi
- Harmos Records
- Harp & Company
- hat
- HD Klassik
- HD-Hall
- Heads Up
- Hearts of Space
- Helbling Verlag
- Helicon
- Heliodor
- Helios
- Helium
- Hello Stage
- Henrik Takkenberg
- Herald
- Heresy Records
- Herissons
- Heritage
- Heritage Media
- Hermes Ensemble
- Herzog Records
- Hevhetia
- Hida-Takayama Virtuoso Orchestra
- High Performance
- Holmen Music
- Honens
- Hopi Mesa
- Howe Records
- Hubro
- Huddersfield Contemporary Records (HCR)
- Hungaroton
- HWR
- Hyperion
- Hyphen Press Music