Lex or LEX may refer to:
Computing
- Amazon Lex, a service for building conversational interfaces into any application using voice and text
- LEX (cipher), a stream cipher based on the round transformation of AES
- Lex (software), a computer program that generates lexical analyzers
- lex (URN), a URN namespace that allows accurate identification of laws and other legal norms
Music
- L.E.X., the third studio album by Liverpool Express
- "Lex", a song from Ratatat's 2006 album Classics
- Lex (album), a mini-album and partial soundtrack by Portland, Oregon duo Visible Cloaks
- Lex Records, an independent record label
People and fictional characters
- Lex (given name)
- Lex (surname)
- Lex Luger, ring name of American professional wrestler Lawrence Pfohl (born 1958)
- Lex Steele, stage name of American pornographic actor Clifton Britt (born 1969)
Places
- Lex, West Virginia, an unincorporated community
- Lexington Avenue, a street in Manhattan in New York City
Codes
- LEX, IATA code for Blue Grass Airport, a public airport in Fayette County, Kentucky, United States
- lex, ISO 639-3 code for the Luang language, spoken in Indonesia
Other uses
- Lex, the Latin word for law, plural leges; see list of Roman laws for specific laws beginning with lex, such as lex Vatinia
- USS Lexington (CV-2), a United States Navy aircraft carrier
- Lex (dog) (1999–2012), the first active duty, fully fit military working dog to be granted early retirement in order to be adopted
- LEX (sounding rocket), a French experimental hybrid-propellant sounding rocket
- Lex Autolease, the United Kingdom's largest vehicle leasing business
- Lex building, a high-rise of government offices in the European Quarter of Brussels
- Lex, a daily featured column in the Financial Times
- Lex XI F.C., a Welsh football team based in Wrexham
- Leading-edge extension, a small extension to an aircraft wing surface
- Severe Tropical Storm Lex, a category-1 typhoon in the 1983 Pacific typhoon season
- Lex, the mascot of the word-forming puzzle video game Bookworm
- Same character in the follow-up game Bookworm Adventures
See also
- Leges (disambiguation)
- Lexx, a science fiction television series
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