HP

HP may refer to:

Businesses, groups, organisations

 * HP Inc., an American technology company
 * Hewlett-Packard, the predecessor to HP Inc.
 * HP Foods, British food products company
 * Handley Page, an aircraft company
 * Hindustan Petroleum, Indian petroleum company, subsidiary of Oil and Natural Gas Corporation
 * America West Airlines (1981-2006), an American airline (IATA code HP)
 * Amapola Flyg (2004-present), a Swedish airline (IATA code HP)
 * HP Books, an imprint of the Penguin Group
 * Populist Party (Turkey) (Halkçı Parti), a political party in Turkey between 1983 and 1985

Brands, products, items

 * Aero Adventure Aventura HP, an ultralight amphibian aircraft
 * China Railways HP, heavy freight train steam locomotive
 * Hilton-Pacey HP (car), a British 1920s 3-wheeled cyclecar automobile
 * HP Sauce, British sauce named after Houses of Parliament
 * Hy-Tek HP, a single-engined high-wing trike aircraft
 * Ilford HP, cubic-grained black-and-white photographic film series, and photographic film prefix
 * Walther HP, handgun

Places

 * Harrison Plaza, a shopping mall in the Philippines that closed down in 2019
 * Heart Peaks, a volcano in Canada
 * Himachal Pradesh, a state in India
 * HP postcode area, UK
 * High Point, North Carolina, US

People and characters

 * Hal Porter (1911–1984), Australian author
 * Harry Pearson (audio critic) (1937–2014), American audio critic
 * Harry Potter (character), a fictional character in J.K. Rowling's Wizarding World fictional universe

Arts, entertainment, media

 * Harry Potter, a novel series by J.K. Rowling
 * Hello Project (H!P), 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
 * HP: To the Highest Level Na!, a 2005 Philippine TV sitcom
 * "HP" (song), a 2019 song by Maluma

Science, engineering, technology

 * Horsepower, a unit of power
 * Haptoglobin, a protein
 * Hypersensitivity pneumonitis, a respiratory inflammation
 * High precipitation supercell, a thunderstorm classification
 * Horizontal pitch unit, 0.2 inches, used to specify rack-mounted equipment width
 * H/P, hacking/phreaking
 * Heat pump, a machine that transfers thermal energy between spaces

Other uses

 * Half-pay, former UK pay for military personnel not on active service
 * Haltepunkt, German for railway halt
 * Hire purchase, a type of sales installment plan
 * Hit points or health points in video games
 * Hollow-point bullet, a type of round
 * Home page, the main page of a website
 * Howiesons Poort, a stone-age technology period in Africa