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:

Science and technology

Code (cryptography), device for hiding the meaning of a message
Code density
Machine code, a sequence of instructions to a processor unit
Nomenclature codes, rulebooks of scientific naming convention
Code (metadata), data elements whose allowable values can be represented as enumerated lists
Code point, colloquially referred as a [character] code (in some encoding)
CODE (programming language)
Code (semiotics), device to carry information in a verbal and/or nonverbal form
Code (set theory), set with a particular isomorphism to another set
Source code in computing, a sequence of statements and/or declarations written in some human-readable (usually as a text) computer programming language
Coding theory, branch of mathematics and computer science dealing with data transmission
Variety (linguistics), language, dialect, or language register
Crude Oil Data Exchange, an electronic business standard sanctioned by the American Petroleum Institute
Cultural Olympiad Digital Edition

Morse code, a method which humans can transmit letters using only short and long pulses
Baudot code was used in telegraphy
Product code (disambiguation), identifier of an individual product
Hospital emergency codes

Code of non-infringement "The Code" of clowns and other performers.

Code and Other Laws of Cyberspace, a 1999 book by Lawrence Lessig
- Code: Version 2.0, a 2006 update to the 1999 book by Lawrence Lessig
Code: The Hidden Language of Computer Hardware and Software, a 1999 book by Charles Petzold

Motion Picture Production Code or Hays Code, the voluntary US films censorship guidelines from 1930 to 1968
The Code (2001 film), a 2001 Linux documentary
The Code (2009 film) (Za kôdo: Angô), a Japanese live action film directed by Kaizo Hayashi
Thick as Thieves (2009 film) or The Code, a 2009 Heist film

Code (album), album by Cabaret Voltaire
Code (audio standard), or ΧΟΔΕ, high-fidelity audio disc brand developed by T-Bone Burnett
Code (band), Norwegian/English black metal band
Codes (band), Irish indie electronic band
"Decode (song)", a 2008 song by Paramore
The Code (band), ska punk band
U;Nee Code or Code, the 2003 debut album by Korean pop singer U;Nee

Code (law), body of law written and enforced by a state
- Legal code (municipal)
Ethical code, adopted by a profession, by a governmental or quasi-governmental organ, or by a trade group or other organization

Code, California, former settlement
Code, any one of the distinct games known as football
The Code or code of non-infringement
Code, unit of scale in model railroading
Code, in rugby, to refer to the difference between rugby league and rugby union, e.g. 'changing codes' (a player switching form playing one type of rugby to the other)