| ar(r). | arrive/arrival 
| Others |
| ARR | A R Rahman
| Others |
| ARR | Absolute Risk Reduction
| Others |
| ARR | Academic Requirement Report
| Others |
| ARR | Academic Requirements Report
| Others |
| ARR | Academy of Radiology Research
| Others |
| ARR | Accounting Rate of Return
| Others |
| ARR | Address Region Register
| Others |
| ARR | Address-Range Registers
| Others |
| ARR | Adjusted Rate Ratio
| Others |
| ARR | Administrative Review and Restructuring
| Others |
| ARR | Administrative Review Restructuring
| Others |
| ARR | After the Russan Reformation
| Others |
| ARR | Air Armenia
| Others |
| ARR | Alaska Railroad
| Others |
| ARR | Alaska Railroad Corporation
| Others |
| ARR | Alfa Romeo Racing
| Others |
| ARR | All Rights Reserved
| Others |
| ARR | All Robots Report
| Others |
| ARR | Allah Rakha Rahman
| Others |
| ARR | Almost Ready To Run
| Others |
| ARR | Alternative Reproductive Resources
| Others |
| ARR | Amber ARR image file Bitmap graphics
| Others |
| ARR | Amy Robert and Rebekah
| Others |
| ARR | Annual Reactivation Revenue
| Others |
| ARR | Annual Recurring Revenue
| Others |
| ARR | Annual Run Rate
| Others |
| ARR | Annualized Rate Of Return
| Others |
| ARR | Application Recovery and Restart
| Others |
| ARR | Application Request Router
| Others |
| ARR | Application Request Routing
| Others |
| ARR | Armour Res Reit
| Others |
| ARR | ARMOUR Residential
| Others |
| ARR | ARMOUR Residential REIT
| Others |
| ARR | Armoured Rolls Royce
| Others |
| ARR | Arrangement ARR Arrival
| Others |
| ARR | Arrive ARR Arrange
| Others |
| ARR | Ascari Race Resort
| Others |
| ARR | Assessment Recording and Reporting
| Others |
| ARR | Assumed Rate Of Return
| Others |
| ARR | Asynchronous Reply Required
| Others |
| ARR | Atari Cubase Arrangement file
| Others |
| ARR | Audit and Risk Review
| Others |
| ARR | Australian Road Rules
| Others |
| ARR | Author Really Reaching
| Others |
| ARR | Authors Requesting Reviews
| Others |
| ARR | Automatic Re-Routing
| Others |
| ARR | Automatic Redundant and Restorable
| Others |
| ARR | Automatic Retransmission Request
| Others |
| ARR | Autoritatea Rutiera Romana
| Others |
| ARR | Average Rate of Return
| Others |
| ARR | Average Room Rate
| Others |
| Arr. | arrival time
| Others |