# HB

HB or Hb may refer to:

## Academia

* H-b index, an extension of the h-index used in determining academic impact
* H-B Woodlawn, a secondary education program in Arlington, Virginia, US
* Hathaway Brown School, an all-girls private school in Shaker Heights, Ohio, US

## Arts and media

* HB (band), a Finnish Christian symphonic metal musical group
* Hanna-Barbera, a former American production company
* Heaven Below, an American rock band
* Helluva Boss, an adult animated TV show

## Businesses and brands

* HB (car), a 1920s automobile
* HB (cigarette), a German brand of cigarettes
* HB Construction, a private US general contractor construction business
* HB Ice Cream, an Irish brand
* Asia Atlantic Airlines (IATA code HB; ceased)
* Greater Bay Airlines (IATA code: HB), an airline based in Hong Kong
* Hamilton Bradshaw, a London-based private equity firm
* Hampton and Branchville Railroad (H&B)
* Holland & Barrett (H&B), a UK health food shop chain
* Hasbro, an American toy company
* HB, logo for the Staatliches Hofbräuhaus in München, also Hofbräu München, a brewery owned by the Bavaria government

## Places

* Bremen (state) (license plate: HB), a German state
* Hanuabada, a village in Papua New Guinea, known as HB to the locals
* Hermosa Beach, California, a city in southern California, US
* Hubei (Guobiao abbreviation HB), a province of China
* Huntington Beach, California, a city in southern California, US
* Switzerland and Liechtenstein (aircraft registration prefix), distinguished by use of emblems
* Zürich Hauptbahnhof (often shortened to HB), the central train station in Zürich, Switzerland

## Science and technology

* Ford-Cosworth HB engine, a Formula One racing engine
* HB pencil (hard black), a classification of pencils
* HB, a flammability rating as set forth in UL 94
* Horizontal branch, in astrophysics
* HB, a level in the Brinell scale hardness test

## Medicine

* Heart block, cardiovascular system disease that involves the heart's electrical conduction system
* Hemoglobin (Hb), a group of iron-containing proteins found in most animals, whose primary function is to carry oxygen to the tissues
* Hepatitis B, a human viral infection
* His bundle, a specialized collection of cells in the vertebrate heart

## Sport

* Half-back line, the positions of three players in Australian rules football
* Halfback (American football), an American football position
* Half back (association football), another name for a midfielder
* Handball (disambiguation), a number of sports
* Havnar Bóltfelag, a football team in the Faroe Islands
* Herfølge Boldklub, a football team in Denmark
* Holstebro Boldklub, a football team in Denmark

## People

* H. B. Acton (1908–1974), political philosopher
* H. B. Bailey (1936–2003), NASCAR driver
* H. B. Higgins (1851–1929), Australian politician
* H. B. Reese (1879–1956), candy maker
* H. B. Warner (1875–1958), motion picture executive

## Politics

* Herri Batasuna, defunct far-left Basque nationalist political party in Spain

## Other uses

* Half-board, a housing arrangement in which the host provides only breakfast and dinner meals
* Housing Bureau, a policy bureau of the Government of Hong Kong