Code (disambiguation)

A code is a rule for converting a piece of information into another object or action, not necessarily of the same sort.

Code may also refer to:

Computing

 * Code (metadata), data elements whose allowable values can be represented as enumerated lists
 * Code point, in numerical value used in character encoding
 * Code.org, a non-profit organization and website that encourages U.S. school students to learn computer science
 * Coding theory, branch of mathematics and computer science dealing with data transmission
 * Machine code, a sequence of instructions to a processor unit
 * Source code, a sequence of instructions written in some human-readable computer programming language
 * Bytecode, a sequence of instructions interpreted by software
 * , an HTML element

Science and technology

 * Code (coding theory), a subset of cardinality at least two of a Hamming space
 * Code (cryptography), device for hiding the meaning of a message
 * Code (semiotics), device to carry information in a verbal and/or nonverbal form
 * Code (set theory), set with a particular isomorphism to another set
 * Barcode, an optical, machine-readable representation of a numeric code that identifies the object to which it is attached
 * Baudot code, used in telegraphy
 * Diagnosis code, used to translate medical conditions into statistical codes, also used for the purpose of health care planning and reimbursement
 * Encoding (memory), storage and recalling of information by organisms
 * Genetic code, a correspondence between the structures of messenger RNA and proteins
 * Hospital emergency codes, used in hospitals worldwide to alert staff to various emergencies
 * Morse code, a method with which humans can transmit letters using only short and long pulses
 * Nomenclature codes, rulebooks of scientific naming convention
 * Serial code or serial number

Society and law

 * Code (law), body of law written and enforced by a sovereign state
 * Legal code (municipal), a body of law written by a regional or local governmental entity
 * Building code, set of rules that specify the minimum standards for constructed objects
 * Code name, a word or name used to refer to another name, word, project or person
 * Ethical code, adopted by a profession, by a governmental or quasi-governmental organ, or by a trade group or other organization
 * Code Parish in Latvia

Films

 * The Code (2001 film), 2001 Linux documentary
 * The Code (2002 film), French film
 * Thick as Thieves (2009 film) or The Code, 2009 heist film

Literature

 * Code (novel), a 2013 novel by Kathy Reichs
 * Code: The Hidden Language of Computer Hardware and Software, a 1999 book by Charles Petzold
 * Code and Other Laws of Cyberspace, a 1999 book by Lawrence Lessig
 * Code: Version 2.0, a 2006 update to Lessig's 1999 book
 * The Code (novel), a novel in the Nick Carter-Killmaster series

Music

 * Code (band), English black metal band
 * Codes (band), Irish indie electronic band
 * The Code (band), ska punk band
 * Code (album), a 1987 album by Cabaret Voltaire
 * The Code (album), a 2016 album by Young Noble & Deuce Deuce, or the title song
 * The Code (EP), an EP by Monsta X
 * U;Nee Code or Code, the 2003 debut album by Korean pop singer U;Nee
 * "The Code" (King Von song), 2020
 * "Code" (song), a 2022 song by Offset and Moneybagg Yo
 * "The Code" (Nemo song), a 2024 song by Nemo

Television

 * The Code (Australian TV series), a 2014–2016 Australian political drama
 * The Code (British TV programme), a 2011 British mathematics documentary series from BBC2
 * The Code (American TV series), a 2019 American military legal drama
 * The Code (game show), British game show
 * "The Code" (Smart Guy), a 1997 episode of Smart Guy
 * "The Code" (The Amazing World of Gumball), a 2016 episode of The Amazing World of Gumball
 * Code: Secret Room, 2016 South Korean TV series
 * The Code: Crime and Justice, a 2007 Australian legal documentary program
 * The Code (Fear the Walking Dead), an episode of Fear the Walking Dead

Video games

 * Code (video game), a puzzle video game
 * Konami Code, a cheat code which appears in mainly Konami video games

Other uses in arts, entertainment, and media

 * Code (audio standard), or ΧΟΔΕ, high-fidelity audio disc brand developed by T-Bone Burnett
 * Motion Picture Production Code or Hays Code, the voluntary US films censorship guidelines from 1930 to 1968

Sports and hobbies

 * Code, any one of the distinct games known as football
 * Code, a unit of scale in model railroading
 * Rugby codes, distinguishing between rugby league and rugby union