ID most often refers to:

Identity document, a document used to verify a person's identity Identifier, a symbol which uniquely identifies an object or record

ID or its variants may also refer to:

People I. D. Ffraid (1814–1875), Welsh poet and Calvinistic Methodist minister I. D. McMaster (1923–2004), American assistant district attorney I. D. Serebryakov (1917–1998), Russian lexicographer and translator

Places İd or Narman, a town in Turkey Idaho, US (postal abbreviation ID) Indonesia, ISO 3166-1 alpha-2 country code "ID" Indonesian language, ISO 639-1 language code "ID"

Arts, entertainment, and media Music

Albums I.D. (album), 1989, by The Wailers Band ID (Michael Patrick Kelly album), a 2017 studio album by Michael Patrick Kelly Id (Siddharta album), 1999 [id] (Veil of Maya album), 2010 ID, by Anna Maria Jopek The Id (album), a 2001 studio album by Macy Gray

Songs "ID" (song), a 2015 single by Kygo "I.D.", a 2004 song by Kasabian from their self-titled album "The I.D.", a 1998 song by Moloko from their album I Am Not a Doctor

Performers The Id (band), an English new wave/synthpop band New:ID, a Filipino boy band

Periodicals I.D. (magazine), an American magazine focusing on Architecture, Graphic and Industrial Design i-D, a British fashion magazine Ideas and Discoveries (i.D.), a magazine covering science, with heavy interest in social science

Television "I.D." (Law & Order), an episode of Law & Order Investigation Discovery, an American cable television channel

Film I.D. (1995 film), a British film about football hooliganism I.D. (2012 film), an Indian Hindi drama The Id (film), a 2016 American thriller/horror film

Other uses in arts, entertainment, and media I.D. (play), 2003 British play by Anthony Sher Id (comics), a manhwa by Kim Daewoo, art by A. T. Kenny' Id, a fictional kingdom in The Wizard of Id, an American comic strip iD (video game), a 1986 computer game Investigation Discovery, stylized as "ID", an American pay television network

Brands and enterprises ID (public relations), a public relations firm ID Labs, an American music production and engineering team iD Mobile, a telephone network owned by Carphone Warehouse Interlink Airlines (IATA airline code ID), an airline based in Johannesburg, South Africa Batik Air (IATA airline code ID), an airline based in Jakarta, Indonesia Citroën ID, a variant of the Citroën DS car Volkswagen ID. series, a series of concept cars that have been promoted into production id Software, an American video game developer

Finance International dollar, common name for the Geary–Khamis dollar, a hypothetical unit of currency

Politics Inclusive Democracy, a project that aims for direct, economic, social, and ecological democracy Independent Democrats, a political party in South Africa Identity and Democracy, a political group in the European Parliament

Science, technology, and mathematics Biology and medicine Ide (fish), also spelled Id Infectious disease Infectious dose Insomnia disorder Intellectual disability, a generalized neurodevelopmental disorder

Computing Id (programming language), a parallel functional programming language iD (software), an editor for OpenStreetMap geodata id (Unix), a command to retrieve group and user identification .id, the Internet Top Level Domain code for Indonesia id, the generic object datatype in the Objective-C programming language Instruction decoder, a decoder in CPUs Internet Draft, a working document of the IETF

Design and engineering Industrial design, a process of designing products for mass production Information design, the practice of presenting information in a way that fosters understanding Inside diameter, also 'inner diameter' or 'I.D.'; a dimension commonly used to specify the size of tubing or pipe Interaction design, the practice of designing interactive digital products, environments, systems, and services Interior design, the art and science of enhancing the interior of a building Instructional design, the study of creating better instructional experiences

Mathematics Identity function, a function that always returns the same value that was used as its argument Influence diagram, a graphical and mathematical representation of a decision situation Icosidodecahedron, a uniform polyhedron

Psychology Id, one of the Id, ego and superego psychic apparatus defined in Sigmund Freud's structural model of the psyche

Other uses (law) Id., Latin, short for idem (translation: "the same"), used in legal citations to refer to the previous citation (linguistics) Indonesian language (ISO 639-1 code "id"), a standardized register of Malay (linguistics) Id (cuneiform), a common-use sign in cuneiform texts (philosophy) Intelligent design, a pseudoscientific argument for the existence of God (sports) ID (classification), a Paralympic rowing classification A US Navy hull registration number prefix: Identification number (ID)

See also 1D (disambiguation) LD (disambiguation) Identification (disambiguation)