HI or Hi may refer to:

Arts and entertainment

* ''Hello Internet'', a podcast hosted by CGP Grey and Brady Haran * Hi (magazine), ''Hi'' (magazine), teen-lifestyle publication * Hi (Ofra Haza song), "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), ''Hi'' (album), a 2021 album by Scottish band Texas ** Hi (Texas song), "Hi" (Texas song), the title track * Hi (EP), ''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 (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 '

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