Codex (disambiguation)

A codex is a book bound in the modern manner, by joining pages, unlike a rolled scroll.

Codex can be
Codex Calixtinus

Arts and entertainment
 Codex (Warhammer 40,000), a rules supplement to the tabletop wargame Warhammer
 Codex (novel), by Lev Grossman (2005)
 The Codex (novel), by Douglas Preston (2004)
 "Codex", song by Pere Ubu from Dub Housing 
 "Codex", song by Radiohead from The King of Limbs 
 Codex (TV series), a UK quiz show
 Codex, a fictional character from the web series The Guild
 Codex: card-time strategy, a card game by David Sirlin (2016)

Organizations
 Stanford CodeX Center, a research center at Stanford University focused on artificial intelligence and law
 Codex Corporation, a Massachusetts tech company later known as Vanguard Managed Solutions
 Codex Digital, a company that creates digital production workflow tools
 Codex, a warez group

Science and technology
 WordPress Codex, a repository and manual for WordPress documentation
 OpenAI Codex, an artificial intelligence model generating code from natural language
 Coronal Diagnostic Experiment, delivered to the ISS by CRS mission SpaceX CRS-31 2024

Other uses
 Codex (horse) (d. 1984), American racehorse that won the Preakness Stakes

 List of codices
 1983 Code of Canon Law (Codex Iuris Canonici), ecclesiastical laws for the Latin Church
 Codex Alimentarius, a collection of internationally recognized standards relating to food
 Codec (disambiguation)
 Code (law), body of law written and enforced by a sovereign state