ACL

ACL is a three-letter acronym that may refer to:

Companies and organizations

* AFC Champions League, an annual Asian football competition
* American Classical League, an organization devoted to promoting the ancient and classical language and culture
* Association for Computational Linguistics, an international scientific and professional society involving natural language and computation
* Association of Christian Librarians, an organization for evangelical librarians in the United States
* Ateliers de Construction du Livradois, a French car manufacturer later called Teilhol, which produced the Renault Rodeo
* Atlantic Coast Line Railroad reporting mark|ACL
* Atlantic Container Line
* ACL (software) formerly known as Audit Command Language, a company that makes a computer language for auditors, also the name of its product

Transportation

* Cesar Airport, Aguaclara, Colombia (IATA airport code ACL)
* Acle railway station, a United Kingdom railway station with the National Rail station code "ACL"
* Atlantic Coast Line, Cornwall, a railroad branch line in England
* Automobile Club du Grand-Duche de Luxembourg, a member of the FIA.

Other meanings

* Adept Command Language, the programming language used for primary customisations of Arbortext's Adept and Epic XML/SGML editors.
* Anterior cruciate ligament, one of the four major ligaments of the knee and one of the most reported locations for athletic injuries requiring surgery.
* Access control list, a computer security concept
* AFC Champions League, an annual international football competition primarily involving Asian teams
* Agent communication language, a formal language used by software agents to communicate
* Austin City Limits, a Public Broadcasting Service music program on United States television
* Austin City Limits Music Festival, an annual music festival in Austin, Texas
* Asynchronous Connection-Less, a data transmission link in the Bluetooth system
* "A Chorus Line", a 1975 Broadway musical