Codex (disambiguation)

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

Codex may also refer to:

In computing

 * Codex Corporation, a Massachusetts tech company later known as Vanguard Managed Solutions
 * Codex Digital, a high-resolution media recording system
 * WordPress Codex, a repository and manual for WordPress documentation
 * OpenAI Codex, an artificial intelligence model generating code from natural language
 * Stanford CodeX Center, a research center at Stanford University focused on artificial intelligence and law.

In entertainment and media

 * Codex (Warhammer 40,000), a rules supplement to the tabletop wargame
 * 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)

Other

 * 1983 Code of Canon Law, also known as the Codex Iuris Canonici
 * Codex (horse) (1977–1984), American racehorse, Preakness Stakes winner
 * Codex Alimentarius, a collection of internationally recognized standards relating to food
 * Codex, a warez group
 * CODEX or COsmic Dynamics and EXo-earth experiment, an instrument proposed for the Extremely Large Telescope