| Acronym | Definition | 
|---|
| LARS➣Least-Angle Regression (algorithm) | 
| LARS➣Launch and Recovery System | 
| LARS➣Low Anterior Resection Syndrome (bowel disfunction) | 
| LARS➣Large Animal Research Station | 
| LARS➣Legally Authorized Representative | 
| LARS➣Left Add, Right Subtract (artillery fire sighting) | 
| LARS➣Los Angeles Radiological Society | 
| LARS➣Laminar Angular Rate Sensor | 
| LARS➣Los Angeles Riot Squad | 
| LARS➣Lunar Anomaly Research Society | 
| LARS➣Light Artillery Rocket System | 
| LARS➣Left Add Right Subtract (contact lenses) | 
| LARS➣Laser Airborne Remote Sensing | 
| LARS➣Laser Angular Rate Sensor | 
| LARS➣Laser Aided Rocket System | 
| LARS➣Low Altitude Radar System | 
| LARS➣Lower Atmosphere Research Satellite | 
| LARS➣Littleton Absentee Reporting System | 
| LARS➣License and Review System | 
| LARS➣Long-Term Acoustic Recording System | 
| LARS➣Locator and Rescue System | 
| LARS➣Light Weight Airborne Recovery System |