ID

ID, Id, id or I.D. may refer to:

Identity

• Identification (disambiguation)
  • Identity document, any document used to verify personal identity. example State ID, License.
  • Dog tag, military and civilian neck-ID tags
  • Identifier, name that identifies a unique object

Fields of study

• Industrial design
• Information design
• Interaction design
• Interior design
• Instructional design, the study of creating better instructional experiences

Computer science

• Identifier (computer science), a symbol which uniquely identifies an object or record
• Id (programming language), a parallel functional programming language
• Internet Draft, a working document of the IETF
• id, the generic object datatype in the Objective-C programming language
• id (Unix), a program in Unix-like operating systems

Medicine and psychology

• The id, one of the psychic apparatus defined in Sigmund Freud's structural model of the psyche
• Infectious disease
• Infectious dose
• Intellectual disability

Places

• ID, postal abbreviation for Idaho, a state in the Pacific Northwest region of the U.S.
• Indonesia, ISO 3166-1 alpha-2 country code "ID"
  • .id, Internet Top Level Domain code for Indonesia
• İd, town in Turkey

Popular culture

Music

• Id (Siddharta album), 1999
• [id] (Veil of Maya album), 2010
• I.D. (album), a 1989 album by The Wailers Band
• ID, an album by Anna Maria Jopek

Film and television

• I.D. (1995 film), the 1995 British film, directed by Philip Davis
• I.D. (2012 film), the 2012 Indian film, directed by Kamal K. M.
• "I.D." (Law & Order), an episode of Law & Order
• Investigation Discovery, an American cable channel
  • Investigation Discovery Europe, its European equivalent
• ID, a monster In the classic 1956 movie Forbidden Planet
• Id, alternative title for Ido, a 2005 film by director Kei Fujiwara

Print

• Id (comics), a manhwa by Kim Daewoo, art by A. T. Kenny
• I.D. (magazine), American magazine focusing on Architecture, Graphic and Industrial Design
• i-D, a British fashion magazine
• The Wizard of Id, an American comic strip, and its fictional kingdom

Video Games

• Id (Xenogears), a character in the video game
• iD (video game), a 1980s video game by Mel Croucher
• id Software, the computer game software developer behind the Quake and Doom series, among others

Other

• I.D. (play), 2003 British play by Anthony Sher
• I.D. & Urgent Calls, an audio drama based on Dr. Who

Mathematics

• Influence diagram, a graphical and mathematical representation of a decision situation
• Inside diameter, also 'inner diameter'; a dimension commonly used to specify the size of tubing or pipe
• An identity function, a function that always returns the same value that was used as its argument

Transport

• The Citroën ID, a variant of the Citroën DS
• Interlink Airlines, IATA airline code

Other uses

• Independent Democrats, a political party in South Africa
• International dollar, common name for the Geary–Khamis dollar, a hypothetical unit of currency
• Invoice discounting, a form of short-term borrowing for businesses
• Investigation Discovery, an American television network
• Intelligent design, a pseudo-scientific argument for the existence of a god
• Inclusive Democracy, a project that aims for direct, economic, social, and ecological democracy
• Indonesian language, ISO 639 alpha-2 code id
• Id., Latin, short for idem, "the same", used in legal citations for the previously cited source
• ID (classification), a Paralympic rowing classification
• Eid-ul-Fitr, also spelled Id-ul-Fitr, a Muslim holiday
• Ide (fish), also spelled Id
• One of the parts of the psychic apparatus in socionics

See also

• Ides (disambiguation)