- BARS stands for Barn Swallow (Hirundo rustica, bird species)
- BARS stands for Behaviorally Anchored Rating Scale
- BARS stands for Barry Adrian Reese Story (music album)
- BARS stands for Battlefield Augmented Reality System (Office of Naval Research)
- BARS stands for Barnes Akathisia Rating Scale
- BARS stands for Behavioral Assessment and Research System
- BARS stands for Biodiversity Action Recording System (UK)
- BARS stands for Baseline Accounting and Reporting System
- BARS stands for Base Accounts Receivable System
- BARS stands for BNCOC Automated Reservation System
- BARS stands for Boeing Action Request System
- BARS stands for Business Area Requirements Specification
BARS