Companies and organizations

• American Classical League
  American Classical League
  Founded in 1919, the American Classical League is a professional organization which promotes the study of classical civilization at all levels of education in the United States and Canada...
  
  
• Arctic Co-operatives Limited
• Asianet Communications Limited
• Association for Computational Linguistics
  Association for Computational Linguistics
  The Association for Computational Linguistics is the international scientific and professional society for people working on problems involving natural language and computation. An annual meeting is held each summer in locations where significant computational linguistics research is carried out...
  
  
• Atlantic Coast Line Railroad
  Atlantic Coast Line Railroad
  The Atlantic Coast Line Railroad was an American railroad that existed between 1900 and 1967, when it merged with the Seaboard Air Line Railroad, its long-time rival, to form the Seaboard Coast Line Railroad...
  
  
• Atlantic Container Line
  Atlantic Container Line
  Atlantic Container Line is an American shipping company owned by the Italian Grimaldi Group.The company operates large RORO Container ships between Europe and North America.-History:...
  
  
• Australian Christian Lobby
  Australian Christian Lobby
  The Australian Christian Lobby is a Christian political lobby group having a head office in Canberra and branches in six Australian states and territories. Its motto is "Voice for values". Its managing director is Jim Wallace AM....
  
  

Sports

• AFC Champions League
  AFC Champions League
  The AFC Champions League is the premier Asian club football competition hosted annually by Asian Football Confederation . The tournament is contested among the top thirty-two clubs from the top 10 Asian leagues, two of which must qualify through the playoffs...
  
  , an annual Asian club football competition

Transportation

• Cesar Airport, Aguaclara, Colombia
  Colombia
  Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...
  
   (IATA airport code ACL)
• Acle railway station
  Acle railway station
  Acle railway station is a railway station serving the town of Acle in the English county of Norfolk. The station was built in 1883 and is located on the Norwich-Great Yarmouth Wherry Line.-History:...
  
  , UK, station code ACL
• Atlantic Coast Line, Cornwall
  Atlantic Coast Line, Cornwall
  The Atlantic Coast Line is a community railway line in Cornwall, United Kingdom. The line runs from the English Channel at Par, to the Atlantic Ocean at Newquay.-Route:The Atlantic Coast Line starts from Par station, in the village and port of Par...
  
  , England
• Atlantic City Line
  Atlantic City Line
  The Atlantic City Line is a rail line operated by New Jersey Transit between Philadelphia, Pennsylvania and Atlantic City, New Jersey, operating along the corridor of the White Horse Pike. It runs over trackage that was controlled by both the Pennsylvania Railroad and the Pennsylvania-Reading...
  
  , New Jersey

Computing

• ACL (software) formerly Audit Command Language
• Access control list
  Access control list
  An access control list , with respect to a computer file system, is a list of permissions attached to an object. An ACL specifies which users or system processes are granted access to objects, as well as what operations are allowed on given objects. Each entry in a typical ACL specifies a subject...
  
  , a computer security concept
• Arbortext Command Language
  Arbortext Command Language
  Arbortext Command Language, most-commonly referred to as ACL, is a scripting language for PTC's Arbortext software. Arbortext is an XML and SGML authoring tool....
  
  , a programming language for PTC Arbortext software
• Allegro Common Lisp
  Allegro Common Lisp
  Allegro Common Lisp is a commercial implementation of the Common Lisp programming language developed by Franz Inc. Allegro CL provides the full ANSI Common Lisp standard with many extensions...
  
  , 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
  Anterior cruciate ligament
  The anterior cruciate ligament is a cruciate ligament which is one of the four major ligaments of the human knee. In the quadruped stifle , based on its anatomical position, it is referred to as the cranial cruciate ligament.The ACL originates from deep within the notch of the distal femur...
  
   of the knee
• Austin City Limits
  Austin City Limits
  Austin City Limits is an American public television music program recorded live in Austin, Texas by Public Broadcasting Service Public television member station KLRU, and broadcast on many PBS stations around the United States...
  
  , television show
• Austin City Limits Music Festival
  Austin City Limits Music Festival
  The Austin City Limits Music Festival is an annual three-day American music festival that takes place in Austin, Texas at the city's central public park, Zilker Park...
  
  , music festival
• Asynchronous Connection-Less
  Asynchronous Connection-Less
  Asynchronous Connection-Less is a communications protocol. It is used as a transmission link used for data communication in the Bluetooth system or as a definition with access code + packet header + payload + CRC....
  
  , a data transmission link in the Bluetooth system
• A Chorus Line
  A Chorus Line
  A Chorus Line is a 1975 musical about Broadway dancers auditioning for spots on a chorus line. The book was authored by James Kirkwood, Jr. and Nicholas Dante, lyrics were written by Edward Kleban, and music was composed by Marvin Hamlisch....
  
  , Broadway musical
• Australian Credit Licence, a license required by Australian lenders