Businesses and organisations
* HP Inc., an American technology company ** Hewlett-Packard, the predecessor to HP Inc. * HP Foods ** HP Sauce, formerly made by HP Foods * Handley Page, an aircraft company * Hindustan Petroleum * 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#Imorints, Penguin GroupMedia, music, and entertainment
* ''Harry Potter'', a novel series by J.K. Rowling * Hello Project, 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 SwimPlaces
* 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, UKScience and technology
* Haptoglobin, a protein * Hypersensitivity pneumonitis, a respiratory inflammation * Ilford HP photographic film prefix * High precipitation supercell, a thunderstorm classification * Horizontal pitch unit, 0.2 inches, used to specify rack-mounted equipment width * Horsepower, a unit of power * H/P, hacking/phreaking * Heat pump, a machine that transfers thermal energy between spacesOther uses
* Half-pay, former UK pay for military personnel not on active service * Haltepunkt, German for railway halt * Harry Pearson (audio critic) (1937–2014), American audio critic * Hire purchase * Hit points or health points in video games * Howiesons Poort, a stone-age technology period in AfricaSee also
* HP Garage, museum of Hewlett-Packard's history {{Disambiguation, geo