Editing HH

{{wiktionary|HH}}
'''HH''' may refer to:

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==Organizations==
* [[HH Electronics]], a British amplifier manufacturer
* [[Happy Hippie Foundation]], a non-profit organization founded by Miley Cyrus
* [[Hartmann House Preparatory School]], an independent preparatory school in Harare, Zimbabwe
* [[Heirs Holdings]], a Nigerian conglomerate with diversified interests
* [[Helly Hansen]], a Norwegian brand specializing in clothing and gear for oceans and mountains
* [[Heywood Hill]], a bookshop in London

==Science and technology==
* Hh, a signalling molecule in Drosophila named for the [[Hedgehog signaling pathway]]
* [[hh blood group]], a rare blood type
* [[Henderson–Hasselbalch equation]], in biology and chemistry
* [[Herbig–Haro object]], in astronomy
* [[Hitchhiker Program]], a NASA program established in 1984
* [[Hodgkin–Huxley model]], an electrical model of neurons
* [[Microsoft Compiled HTML Help]] (hh.exe)
* [[Hereditary haemochromatosis]]

==Transportation==
* [[HH (Court Street Shuttle)]], on the New York City Subway 1936–1946
* [[HH (Rockaway Shuttle)]], on the New York City Subway 1962–1972
* [[HH Ferry route]] between Helsingborg, Sweden, and Helsingør, Denmark
* [[HH Tunnel]] a proposed series of tunnels between Helsingborg and Helsingør

==Entertainment==
* [[Heil Hitler (song)|Heil Hitler (Kanye West song)]], 2025

* HH, the production code for the 1967 ''Doctor Who'' serial ''[[The Moonbase]]''
* [[Higglytown Heroes]], an American animated series
* [[Horrible Histories]], media franchise

== People ==

* [[Heath Hitler]], White supremacist
* [[Hulk Hogan]], American professional wrestler
* [[Herbert Huncke]], American writer
* [[Hakainde Hichilema]], Zambian politician

== Terms and phrases ==

* [[hh (digraph)]], in several languages
* hh, an abbreviation for "[[hand (unit)|hands]] high" when referring to the height of a horse
* HH, short for Hand-Held, a term in film production among camera staff
* [[Heil Hitler]], a chant prevalent in Nazi Germany and neo-Nazi groups
* His [[Highness]], or Her Highness, a formal address
* [[His Holiness]], or Her Holiness, a formal address

== Places ==

* [[Hamburg]], Germany (ISO 3166-2 code DE-HH) and HH ("Hansestadt Hamburg"), vehicle licence plate prefix
* [[Hilton Head Island, South Carolina]], an island off the coast of South Carolina, United States

==Other uses==
* HH, a [[brassiere cup size]]
* [[Habbo]], online community formerly known as Habbo Hotel
* [[Happy Hour]], a period of time (not necessarily one hour) when bars and restaurants offer discounts on food and/or drinks
* HH, the name for the former mascot of the electronics/appliances store [[H. H. Gregg]]
{{disambiguation}}