ACR

ACR may refer to:

Places

• Accrington railway station, United Kingdom, from its National Rail code
• Alfred County Railway in South Africa, which ran the famous train the Banana Express
• Algoma Central Railway, a railway in Northern Ontario
• Arctic Circle Raceway, a race track in Norway
• Araracuara Airport, an airport in Colombia that uses this IATA code

Military and weapons

• Adaptive Combat Rifle, a rifle developed by Magpul that is now manufactured by Bushmaster
• Advanced Combat Rifle, a United States Army program
• Armored cavalry regiment, an army or national guard regiment in the United States
• Army of the Czech Republic, in original Armáda České republiky
• Steyr ACR, an Austrian assault rifle

Organizations

• Action Committee for Renewal, a Togolese opposition party
• American Club Racing (Dodge Viper ACR)
• American College of Radiology
• American College of Rheumatology
  • ACR score for rheumatoid arthritis

Science and technology

• Absolute Category Rating, a subjective video quality test method
• Automatic content recognition
• Advanced CANDU Reactor, a nuclear reactor
• Advanced Communications Riser
• Albumin/creatinine ratio
• Allowed cell rate, in ATM networks
• Anomalous cosmic ray
• Attenuation to crosstalk ratio
• Anonymous Call Rejection
• Anterior corona radiata, a white matter tract in the brain

Video games

• Assassin's Creed: Revelations
• Assassin's Creed Rogue
• AssaultCube Reloaded, an AssaultCube fork.

Other

• A Certain Ratio, a British post-punk band
• Achi language, a Mayan language of Guatemala
• Acronym
• Ambitious card routine