HP may refer to:

Businesses and organisations

HP Inc. HP Inc. is an American multinational information technology company headquartered in Palo Alto, California, that develops personal computers (PCs), printers and related supplies, as well as 3D printing solutions. It was formed on November ...

, an American technology company **

Hewlett-Packard The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components ...

, the predecessor to HP Inc. * HP Foods **

HP Sauce HP Sauce is a British brown sauce, the main ingredients of which are tomatoes and tamarind extract. It was named after London's Houses of Parliament. After making its first appearance on British dinner tables in the late 19th century, HP Sauce w ...

, formerly made by HP Foods *

Handley Page Handley Page Limited was a British aerospace manufacturer. Founded by Frederick Handley Page (later Sir Frederick) in 1909, it was the United Kingdom's first publicly traded aircraft manufacturing company. It went into voluntary liquidation ...

, an aircraft company *

Hindustan Petroleum Hindustan Petroleum Corporation Limited (HPCL) is an Indian oil and gas refining company headquartered in Mumbai. Since 2018, ONGC has owned a majority stake in the company. The company is ranked 367th on the ''Fortune Global 500'' list of ...

America West Airlines America West Airlines was a major American airline, founded in 1981, with service commencing in 1983, and having reached US$1 billion in annual revenue in 1989, headquartered in Tempe, Arizona. At the time of its acquisition of US Airways, Americ ...

(1981-2006), an American airline (IATA code HP) *

Amapola Flyg Amapola Flyg is a passenger and cargo airline based in Stockholm, Sweden. It operates freight services on behalf of the Swedish Post Office, Jetpak and MiniLiner from Maastricht Aachen Airport and its main base at Stockholm-Arlanda Airport. In ...

(2004-present), a Swedish airline (IATA code HP) * HP Books, an imprint of the

Penguin Group Penguin Group is a British trade book publisher and part of Penguin Random House, which is owned by the German media conglomerate Bertelsmann. The new company was created by a merger that was finalised on 1 July 2013, with Bertelsmann initial ...

Media, music, and entertainment

* ''

Harry Potter ''Harry Potter'' is a series of seven fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Ho ...

'', a novel series by J.K. Rowling *

Hello Project is a Japanese musical collective consisting of all female recording artists and groups under Up-Front Promotion, a subsidiary of Up-Front Group. The name was initially used as Michiyo Heike and Morning Musume's fan club name in 1999, but has ...

, a J-pop idol brand under Japanese music company Up-Front Group * '' Horse-Power: Ballet Symphony'', a 1932 ballet composed by Carlos Chávez * Hot Package, a TV show created by Adult Swim

Places

Harrison Plaza Harrison Plaza (HP) was a shopping mall situated along Harrison Avenue corner Pablo Ocampo Street in the district of Malate in Manila, Philippines. Opened in 1976 and closed in 2019, it was the first modern and major shopping mall located in t ...

, a shopping mall in the Philippines that closed down in 2019 *

Heart Peaks Heart Peaks, originally known as the Heart Mountains, is a mountain massif in the Northern Interior of British Columbia, Canada. It is northwest of the small community of Telegraph Creek and just southwest of Callison Ranch. With a maximum ele ...

, a volcano in Canada *

Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen mountain states and is characterized by an extreme landscape featuring several peaks ...

, a state in India *

HP postcode area The HP postcode area, also known as the Hemel Hempstead postcode area,Royal Mail, ''Address Management Guide'', (2004) is a group of twenty-four postcode districts in England, within eleven post towns. These cover north-west Hertfordshire (inclu ...

, UK

Science and technology

Haptoglobin Haptoglobin (abbreviated as Hp) is the protein that in humans is encoded by the ''HP'' gene. In blood plasma, haptoglobin binds with high affinity to ''free'' hemoglobin released from erythrocytes, and thereby inhibits its deleterious oxidat ...

, a protein *

Hypersensitivity pneumonitis Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a syndrome caused by the repetitive inhalation of antigens from the environment in susceptible or sensitized people. Common antigens include molds, bacteria, bird dropping ...

, a respiratory inflammation *

Ilford HP HP is a cubic-grain black-and-white film from Ilford Photo Harman Technology, trading as Ilford Photo, is a UK-based manufacturer of photographic materials known worldwide for its ILFORD branded black-and-white film, papers and chemica ...

photographic film prefix *

High precipitation supercell A supercell is a thunderstorm characterized by the presence of a mesocyclone: a deep, persistently rotating updraft. Due to this, these storms are sometimes referred to as rotating thunderstorms. Of the four classifications of thunderstorms (s ...

, a thunderstorm classification *

Horizontal pitch Horizontal pitch (HP) is a unit of length defined by the Eurocard printed circuit board standard used to measure the horizontal width of rack mounted electronic equipment, similar to the rack unit (U) used to measure vertical heights of rack mount ...

unit, 0.2 inches, used to specify rack-mounted equipment width *

Horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are th ...

, a unit of power * H/P, hacking/

phreaking Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. The term ''phreak'' is a ...

Heat pump A heat pump is a device that can heat a building (or part of a building) by transferring thermal energy from the outside using a refrigeration cycle. Many heat pumps can also operate in the opposite direction, cooling the building by removing h ...

, a machine that transfers thermal energy between spaces

Other uses

Half-pay Half-pay (h.p.) was a term used in the British Army and Royal Navy of the 18th, 19th and early 20th centuries to refer to the pay or allowance an officer received when in retirement or not in actual service. Past usage United Kingdom In the Eng ...

, former UK pay for military personnel not on active service *

Haltepunkt A railway stop is a spot along a railway line, usually between stations or at a seldom-used station, where passengers can board and exit the train. While a junction or interlocking usually divides two or more lines or routes, and thus has rem ...

, German for railway halt *

Harry Pearson (audio critic) Harry Hall Pearson, Jr. (January 5, 1937 – November 4, 2014), known to his readers as HP, was an American journalist, audio reviewer, and publisher who founded ''The Absolute Sound'' magazine for high-end audio enthusiasts. Pearson is considered ...

(1937–2014), American audio critic *

Hire purchase A hire purchase (HP), also known as an installment plan, is an arrangement whereby a customer agrees to a contract to acquire an asset by paying an initial installment (e.g., 40% of the total) and repaying the balance of the price of the asset pl ...

Hit points Health is an attribute in a video game or tabletop game that determines the maximum amount of damage or loss of stamina that a character or object can take before dying or losing consciousness. In role-playing games, this typically takes the for ...

or health points in video games *

Howiesons Poort Howiesons Poort (also called HP) is a lithic technology cultural period in the Middle Stone Age in Africa named after the Howieson's Poort Shelter archeological site near Grahamstown in South Africa. It seems to have lasted around 5,000 years bet ...

, a stone-age technology period in Africa

Businesses and organisations

Media, music, and entertainment

Places

Science and technology

Other uses

See also