ARR

ARR may refer to:

People

• Johnny Arr, an English rugby union player
• A. R. Rahman, Indian film composer, record producer, musician and singer

Places

• Andøya Rocket Range, Norway
• Arr, Mauritania, a town

Science and technology

• Absolute risk reduction, a statistical term used in biostatistics and epidemiology
• Address-range register, in computer hardware
• Aldosterone-to-renin ratio, a blood concentration
• Application Recovery and Restart, in Windows Vista and later

Transportation

• Air Armenia, by ICAO airline code
• Alaska Railroad, by reporting mark
• Alberta Resources Railway
• Arram railway station, United Kingdom, by National Rail code
• Aurora Municipal Airport (Illinois), by ICAO and FAA airport code

Other

• All rights reserved, in copyright law
• Accounting rate of return, a financial ratio

See also

• All pages beginning with "ARR"
• All pages with titles containing "ARR"