- AARS stands for All-America Rose Selections
- AARS stands for Asian Association on Remote Sensing (Japan)
- AARS stands for Atlanto-Axial Rotatory-Subluxation (disorder)
- AARS stands for Automated Accounting and Reporting System (gambling; Montana)
- AARS stands for Army Amateur Radio System
- AARS stands for After Action Review System
- AARS stands for Appeals Account Resolution Specialist (US IRS)
- AARS stands for American Association of Riding Schools
- AARS stands for Advanced Aircraft Recovery System (US Navy)
- AARS stands for Automated Aircraft Reporting System
- AARS stands for Advanced Airborne Radiac Systems
- AARS stands for Affordable Apache Rotor System (attack helicopter system redesign)
- AARS stands for Advanced Airborne Radar System
- AARS stands for Alabama Association of Rescue Squads, Inc.
- AARS stands for Automated Account Request System (router network)
- AARS stands for Ammunition Asset Reporting System
- AARS stands for Air Force Rescue & Recovery Service
AARS