HI

HI or Hi may refer to:

Arts and entertainment

• Hello Internet, a podcast hosted by CGP Grey and Brady Haran
• Hi (magazine), teen-lifestyle publication
• "Hi", 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 (Elizabeth Barraclough album), a 1979 album by the American musician Elizabeth Barraclough
• Hi (Texas album), a 2021 album by Scottish band Texas
  • "Hi" (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 by Xiu Xiu from the album Always, 2012
• "Hi", a song by Moka Only from the album Concert for One, 2017
• "Hi!", a song by Madeon, 2025

Language

• Hi, a greeting in the English language similar to hello
• Hi (cuneiform), a cuneiform sign
• Hi (kana) (ひ, ヒ), a Japanese written character
• Hindi, an Indo-Aryan language (ISO 639-1 language code HI)
• Hi (Armenian letter) (Յ), an Armenian script letter

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
• University of Iceland, abbreviated "HÍ", from Háskóli Íslands

Places

• Hi River, also known as the Ili River, in northwestern China
• Hainan, a province of China (Guobiao abbreviation HI)
• Hawaii, United States of America
• Hotel Indonesia, a hotel in Jakarta, Indonesia

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 antibodies
• Human interface

Other 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 competitions

See 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)