| ALR | A Little Reminder 
| Others |
| ALR | A Little Respect
| Others |
| ALR | A Living Rainbow Studios
| Others |
| ALR | Academy For Learning in Retirement
| Others |
| ALR | Academy of Learning in Retirement
| Others |
| ALR | Accademia Lancisiana di Roma
| Others |
| ALR | Acceptable Level of Risk
| Others |
| ALR | Access List Rule
| Others |
| ALR | Active Lead Ring
| Others |
| ALR | Active Life Reserves
| Others |
| ALR | Active Living Research
| Others |
| ALR | Address Low Register
| Others |
| ALR | Adiabatic Lapse Rate
| Others |
| ALR | Administrative Law Review
| Others |
| ALR | Administrative License Revocation
| Others |
| ALR | Adobe Lightroom
| Others |
| ALR | ADRIFT Language Resource
| Others |
| ALR | Advanced Logical Research
| Others |
| ALR | Afternoon Lunch Rendezvous
| Others |
| ALR | Aged Limited and Rare
| Others |
| ALR | Aged Limited Rare
| Others |
| ALR | Agricultural Land Reserve
| Others |
| ALR | Air to Liquid Ratio
| Others |
| ALR | Alexa Ranking
| Others |
| ALR | Alliance for Lupus Research
| Others |
| ALR | Almost Like Real
| Others |
| ALR | Alright
| Others |
| ALR | Alternate Logging Requirement
| Others |
| ALR | Always Locking Retractors
| Others |
| ALR | Ambient Light Rejection
| Others |
| ALR | American Laundromat Records
| Others |
| ALR | American Law Reporter
| Others |
| ALR | American Law Reports
| Others |
| ALR | American Legal Review
| Others |
| ALR | American Legion Riders
| Others |
| ALR | Amps-Locked Rotor
| Others |
| ALR | Ancillary Load Reduction
| Others |
| ALR | Angular Linear Regression
| Others |
| ALR | Annual License Renewal
| Others |
| ALR | Another Limited Rebellion
| Others |
| ALR | Aquatic Living Resources
| Others |
| ALR | Arctic Lapland Rally
| Others |
| ALR | Art Loss Register
| Others |
| ALR | Artillery Locating Radar, AN/TPQ-37
| Others |
| ALR | Ask Listen Remember
| Others |
| ALR | Asset Locate and Recover
| Others |
| ALR | Assisted Living Residence
| Others |
| ALR | Associated Lighting Representatives
| Others |
| ALR | At Last Report
| Others |
| ALR | At Last Resort
| Others |
| ALR | Audrey Louise Reynolds
| Others |
| ALR | Augmenter of Liver Regeneration
| Others |
| ALR | Australian Lancia Register
| Others |
| ALR | Automated Literature Request
| Others |
| ALR | Automatic Lamp Range
| Others |
| ALR | Automatic Locking Retractor
| Others |
| ALR | Automotive Leadership Roundtable
| Others |
| ALR | Automotive Logistic Recycling
| Others |
| ALR | Lancisian Academy of Rome
| Others |
| ALR | radar-warning reciver
| Others |
| ALR | US designation prefix for any radar-warning reciver
| Others |