HH may refer to:

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 The Hedgehog signaling pathway is a signaling pathway that transmits information to embryonic cells required for proper cell differentiation. Different parts of the embryo have different concentrations of hedgehog signaling proteins. The pathwa ...

* 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 (Kanye West song), a alternative name for the song to bypass social media censorship * HH, the production code for the 1967 ''Doctor Who'' serial '' The Moonbase'' * Higglytown Heroes, an American animated series *

Horrible Histories ''Horrible Histories'' is an educational entertainment franchise encompassing many media including books, magazines, audio books, stage shows, TV shows, and more. In 2013, Lisa Edwards, UK publishing and commercial director of Scholastic Corpo ...

, media franchise

People

* Heath Hitler, White supremacist *

Hulk Hogan Terry Gene Bollea (; born August 11, 1953), better known by his ring name Hulk Hogan, is an American retired Professional wrestling, professional wrestler. He is signed to WWE as a brand ambassador. Known for his flamboyance and massive physiq ...

, American professional wrestler * Herbert Huncke, American writer * Hakainde Hichilema, Zambian politician

Terms and phrases

* hh (digraph), in several languages * hh, an abbreviation for " 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 Highness (abbreviation HH, oral address Your Highness) is a formal style used to address (in second person) or refer to (in third person) certain members of a reigning or formerly reigning dynasty. It is typically used with a possessive adjec ...

, or Her Highness, a formal address *

His Holiness The title His Holiness (and the associated form of address Your Holiness) is an official title or style referring to the pope in the Catholic Church; this use can be traced back several hundred years. It has also been adopted as an official tit ...

, or Her Holiness, a formal address

Places

Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...

, 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 ''Habbo'', also called ''Habbo Hotel'', is a virtual world and massively multiplayer online game. It is owned and operated by Sulake. Founded in 2000, ''Habbo'' has expanded to nine online communities (or "hotels"), with users from more tha ...

, 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