| Haar | 2008 | 2023 | — |
| Hackensack | 1968 | 1974 | Southern Rock, Hard Rock, UK |
| Hackney Colliery Band | January 2008 | — | — |
| Hacktivist | 2011 | — | — |
| Hadouken! | 2005 | 10 November 2014 | — |
| Hagar the Womb | 1980 | 1986 | — |
| Haggard Cat | 2011 | — | — |
| Haken | 2007 | — | — |
| Half Man Half Biscuit | 1984 | — | — |
| Hamerex | 14 August 2004 | — | — |
| Hamfatter | 2001 | — | — |
| Hands Off Gretel | February 2015 | — | — |
| Hanging Doll | 2002 | — | — |
| Hanson | 1973 | 1974 | — |
| Happy Mondays | 1985 | 1992 | — |
| Hapshash and the Coloured Coat | 1967 | — | — |
| Harbinger | July 2015 | — | — |
| Hard Rain | 1996 | 2000 | Tony Clarkin & Bob Catley band after Magnum |
| Hard Stuff | 1971 | 1973 | 1970s English hard rock band |
| Hard‐Fi | 2002 | — | — |
| Hatfield and the North | October 1972 | 1975 | — |
| Hats Off Gentlemen It’s Adequate | 2009 | — | — |
| Haunted Stereo | October 2007 | — | — |
| Hawk Eyes | 2004 | — | — |
| Hawklords | 2008 | — | — |
| Hawkwind | October 1969 | — | — |
| Haze | 1978 | — | — |
| Head Cloud | 2022 | — | — |
| Headshot Stereo | 23 March 2013 | — | — |
| Headspace | 2006 | — | — |
| Headswim | 1992 | 2001 | — |
| Heatwave | 1975 | 1984 | 70s/80s R&B/funk band |
| Heaven 17 | 1980 | — | Sheffield, UK “new romantic” band |
| Heavenly | 1989 | 1996 | — |
| Heaven’s Basement | 2008 | January 2017 | English rock band |
| Heavy Jelly | 1969 | — | — |
| Heavy Lungs | 1 March 2017 | — | — |
| Heavy Metal Kids | 1972 | — | — |
| Heavy Pettin’ | 1981 | — | — |
| Heavy Sentence | 2017 | — | — |
| Heavy Stereo | 1995 | 1996 | — |
| Heavyball | 12 October 2011 | — | — |
| Hecate Enthroned | 1993 | — | — |
| Hefner | 1997 | 2002 | — |
| Heights | 2009 | — | — |
| Helen Love | 1992 | — | — |
| Helgrind | 2000 | — | — |
| Hell | 1982 | — | — |
| Hell Is for Heroes | September 2000 | 24 November 2012 | — |
| Hellanbach | 1979 | 1985 | — |
| Hellripper | 2014 | — | — |
| Help Yourself | 1970 | — | — |
| Henry Cow | May 1968 | August 1978 | — |
| Henry Essence | 1977 | 1979 | — |
| Heresy | 1985 | 14 December 1988 | — |
| HERIOT | 2014 | — | — |
| Herman’s Hermits | 1963 | 1971 | English beat rock band, formed in Manchester in 1964 |
| Herne | 2008 | — | — |
| Heron | 1968 | — | — |
| Her’s | 2015 | 27 March 2019 | — |
| Hexecution | 1993 | April 1999 | — |
| High Tide | 1969 | 1991 | — |
| Hjearts | August 2012 | — | — |
| Hoatzin | 1 January 2013 | — | — |
| Holding Absence | 1 August 2016 | — | — |
| Holiday Ghosts | 2016 | — | — |
| Hollywood Brats | 1971 | 1974 | — |
| Holocaust | 1977 | — | UK heavy/progressive metal band |
| Holosade | 1985 | — | — |
| Homebrew | December 1995 | — | — |
| Hood | December 1990 | — | — |
| Hookfoot | 1969 | 1974 | — |
| Hooton 3 Car | 1989 | — | — |
| Hope of the States | 2000 | 30 August 2006 | — |
| Hopper | 1993 | 1997 | — |
| Horace Goes Skiing | 1991 | — | — |
| Horowitz | 2003 | — | — |
| Horrified | 2012 | — | — |
| Hostile Tides | 6 March 2024 | — | — |
| Hot Chip | 2000 | — | — |
| Hot Chocolate | 1969 | — | 70s and 80s British soul band |
| Hot Club de Paris | 2004 | 2012 | — |
| Hot Fiction | 1 June 2008 | — | — |
| Hot Knife Club | 2015 | — | — |
| Hot Milk | 2018 | — | — |
| Hot Natured | 2009 | — | — |
| Hryre | 2013 | — | — |
| Hudson–Ford | 1973 | — | — |
| Hula | November 1980 | 1991 | — |
| Humble Pie | 1969 | 2002 | — |
| Hundred Reasons | 1999 | 24 November 2012 | — |
| Hundred Year Old Man | 2015 | — | — |
| Hungry Brains | 1 March 2012 | — | — |
| Hurdles | 1 October 2012 | — | — |
| Hurts | 2009 | — | electro‐pop duo from Manchester, UK |
| Hustler | 1974 | 1977 | — |
| Hybrid Constellation | 1 May 2010 | — | — |
| Hydra Vein | 1987 | — | — |
| HYPERFIEND | 2022 | — | — |
| Hypnologica | 2013 | — | — |