Arts and entertainment
* '' Hello Internet'', a podcast hosted by CGP Grey and Brady Haran * ''Hi'' (magazine), teen-lifestyle publication * "Hi" (Ofra Haza song), a song by Ofra Haza, Israel's entry in the 1983 Eurovision Song Contest * Hi, a character in the comic strip '' Hi and Lois'' * Hi Records, in music, a Memphis soul and rockabilly label * ''Hi'' (album), a 2021 album by Scottish band Texas ** "Hi" (Texas song), the title track * ''Hi'' (EP), a 2006 EP by Psapp * '' Hi~'', a 2015 repackage of South Korean girl group Lovelyz' 2014 album ''Girls' Invasion'' * "Hi", a song from the Xiu Xiu album '' Always''Language
* Hi (cuneiform), a cuneiform sign * Hi (kana) (ひ, ヒ), a Japanese written character *Organizations and events
* Harlem International Film Festival, an annual five-day film festival * Hostelling International, a federation of youth hostel associations * Houston Industries Incorporated, former name of GenOn Energy *Places
* Hi River, also known as the Ili River, in northwestern China *Science and technology
* Hydrogen iodide, in chemistry, a diatomic molecule * Health informatics, a discipline at the intersection of information science, computer science, and health care * Historical institutionalism, in sociology, a social science method * Hormonal imprinting, a biological phenomenon * Hemagglutination inhibition, method for quantifying the relative concentration of viruses, bacteria, or antibodiesOther uses
* HI, a code for subtitles for the hearing impaired * Hi Brigham (1892–1987), American football player * Hi Brown (1910–2010), American producer * Humorous Interpretation, an event in high school forensics competitionsSee also
* H I region, in astronomy, an interstellar cloud composed of neutral atomic hydrogen * H&I (disambiguation) * High (disambiguation) * HY (disambiguation) * Hydrogen-1, in physics, an isotope of hydrogen with one proton and zero neutrons (also known as ''protium'') {{disambiguation