ARR

• A. R. Rahman
• Absolute risk reduction
• Accounting rate of return
• Address-range register
• Air Armenia
• Alaska Railroad
• Alberta Resources Railway
• Aldosterone-to-renin ratio
• All rights reserved
• Alto Río Senguer Airport
• Annual Recurring Revenue
• Application Request Routing
• Arr, Mauritania
• Arram railway station
• Arrangement
• Artist's resale right
• Aurora Municipal Airport (Illinois)
• Average Run Rate method
• Jonny Arr
• Ramarama language
• Royal Romanian Air Force