- AARR stands for Anticipated Actuarial Rate of Return (finance)
- AARR stands for Arbitrarily Applicable Relational Responding
- AARR stands for Average Annual Rate of Reduction
- AARR stands for Annual Aggregate Revenue Requirement
- AARR stands for Association of American Railroads
- AARR stands for Argonne Advanced Research Reactor
- AARR stands for Alan Aragon’s Research Review (fitness research journal)
- AARR stands for Aktiebolaget Atomenergi Research Reactor
- AARR stands for American Association of Railroads (usually seen as AAR)
- AARR stands for Approval, Adjustment & Reject Response (healthcare)
- AARR stands for Average Accounting Rate of Return
Abbreviations And Their Meaning