ACL

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

Companies and organizations

• American Classical League
• Arctic Co-operatives Limited
• Asianet Communications Limited
• Association for Computational Linguistics
• Atlantic Coast Line Railroad
• Atlantic Container Line
• Australian Christian Lobby

Sports

• AFC Champions League, an annual Asian club football competition

Transportation

• Cesar Airport, Aguaclara, Colombia (IATA airport code ACL)
• Acle railway station, UK, station code ACL
• Atlantic Coast Line, Cornwall, England
• Atlantic City Line, New Jersey

Computing

• ACL (software) formerly Audit Command Language
• Access control list, a computer security concept
• Arbortext Command Language, a programming language for PTC Arbortext software
• Allegro Common Lisp, a commercial implementation of the Common Lisp programming language
• Agent Communication Language, known also as FIPA-ACL, one of the most used communication language between intelligent agents

Other meanings

• Anterior cruciate ligament of the knee
• Austin City Limits, television show
• Austin City Limits Music Festival, music festival
• Asynchronous Connection-Less, a data transmission link in the Bluetooth system
• A Chorus Line, Broadway musical
• Australian Credit Licence, a license required by Australian lenders