AVR

AVR may refer to:

Railroad

• Allegheny Valley Railroad (1995), shortline railroad in Pennsylvania, U.S.
• Aroostook Valley Railroad, a defunct railroad in Maine, U.S.
• Assiniboine Valley Railway, a minimum gauge railway in Winnipeg, Canada
• Avon Valley Railway, a heritage railway in the United Kingdom

Radio

• Aboriginal Voices Radio, an Aboriginal Canadian national radio network
• Annapolis Valley Radio, a country station located in Kentville, Nova Scotia

Electronics

• AVR microcontrollers, a family of microcontrollers originally developed by Atmel, now part of Microchip Technology
• Audio/video receiver, a home theater electronic component
• Acronym for augmented reality and virtual reality interactive experiences
• Automatic voltage regulator

Other uses

• Armed violence reduction
• Aortic valve replacement
• Automatic voter registration
• Avacyn Restored
• AVR reactor (Arbeitsgemeinschaft Versuchsreaktor), a German prototype pebble bed reactor
• Avirulence gene, "Avr"
• Auxiliary Vessel, Rescue or Aircraft Vessel, Rescue
• Lead augmented vector right (aVR), a voltage difference in electrocardiography

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