ACR may refer to:
Medicine
- Albumin/creatinine ratio in urine
- ACR score for rheumatoid arthritis
- ACR gene, encoding the enzyme acrosin
- American College of Radiology
- American College of Rheumatology
Places
- Accrington railway station, UK, National Rail code
- Araracuara Airport, Colombia, IATA code
Science and technology
- Absolute Category Rating, a subjective quality test method
- Acumulador de Carga Rápida, a battery electric tram system
- Adobe Camera Raw, a raw image file converter
- Advanced CANDU reactor, a nuclear reactor
- Advanced Communications Riser, a PC slot format
- Advanced Contrast Ratio or Dynamic Contrast in an LCD display
- Copper tubing for air conditioning and refrigeration
- Anonymous call rejection, a voice telephone network calling feature
- Antarctic Cold Reversal, climatic cooling about 14,500 years ago
- Anti Cam-Out Recess, an improved Philips screwdriver
- Attenuation-to-crosstalk ratio of communication links
- Automatic content recognition of video
Military and weapons
- Adaptive Combat Rifle
- Advanced Combat Rifle, a US Army program
- Armored cavalry regiment of the US army or national guard
- AČR, Army of the Czech Republic (Armáda České republiky)
- Steyr ACR, an Austrian assault rifle
- A US Navy hull classification symbol: Armored cruiser (ACR)
Other uses
- A Certain Ratio, a British post-punk band
- Accelerated chart ratio, affects streaming totals in the Official Charts Company's singles chart
- Achi language, a Mayan language of Guatemala
- Americas Cardroom, online poker site
- Dodge Viper ACR, a car
This disambiguation page lists articles associated with the title ACR.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: