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" (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), a Japanese written character
 * Hindi, an Indo-Aryan language (ISO 639-1 language code HI)
 * Hi, a greeting in the English language similar to hello

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

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