ALR may refer to:
- Abbey Light Railway, West Yorkshire, England
- Abuja Light Rail, a transport project in Nigeria
- Administrative License Revocation
- Advanced Logic Research, now part of Gateway, Inc.
- Agricultural Land Reserve, Canada
- Alexandra Aerodrome, New Zealand
- Allgemeines Landrecht, the Civil Code of Prussia promulgated in 1794
- Alresford railway station (Essex), Essex, England
- American Law Reports
- Art Loss Register, London-based, online database for lost/stolen art
- Ashover Light Railway, Derbyshire, England
- Australian Law Reports
- Australian Literary Review, supplement to The Australian
- Automated Lip Reading
- Amps for Locked Rotor (an electrical rating, especially when motors are involved)