Rel

Rel or REL may mean:

Science and technology

 * REL, a human gene
 * the rel descriptor of stereochemistry, see Relative configuration
 * REL (Rassemblement Européen pour la Liberté), European Rally for Liberty, a defunct French far-right party active in the 1960s
 * Category of relations or Rel, a mathematical category of sets and relations
 * Rel attribute, an HTML attribute for indicating a semantic link
 * Recommended Exposure Limit, a recommended limit for occupational exposures published by the National Institute for Occupational Safety and Health
 * Rights Expression Language, a machine-processable language used for digital rights management

People

 * Rel Dowdell, American screenwriter, film director, film producer, and English/screenwriting educator
 * Nickname of Arielle Gold, American world champion and Olympic bronze medalist snowboarder
 * Rel Hunt (born 1974), Australian actor
 * Nickname of Ariel Schulman (born 1981), American actor, film director, and producer
 * Robert E. Lee, Confederate general.

Other uses

 * Rel (TV series), a 2018 American television sitcom
 * Rel (time), a fictional Dalek unit of time measurement roughly equal to one second
 * Magic: The Gathering Organized Play Rules Enforcement Level
 * Reaction Engines Limited, a British aerospace company
 * Religare Enterprises Limited, an Indian holding company
 * Almirante Marcos A. Zar Airport IATA code
 * Rendille language ISO 639-3 language code, spoken in Kenya