| Acronym | Definition |
|---|
| ALS➣Amyotrophic Lateral Sclerosis (Lou Gehrig's Disease) |
| ALS➣Advanced Life Support |
| ALS➣Advanced Light Source |
| ALS➣Auld Lang Syne |
| ALS➣Astrid-Lindgren-Schule (German school) |
| ALS➣Alternative Lifestyle |
| ALS➣Airborne Laser Scanning (remote sensing) |
| ALS➣Asian Language Support (extended characters) |
| ALS➣American Littoral Society |
| ALS➣Advanced Life Skills (various organizations) |
| ALS➣A Love Supreme (Sunderland AFC fanzine) |
| ALS➣Amyotrofische Laterale Sclerose (neurological disease) |
| ALS➣Ambient Light Sensor |
| ALS➣Annoying Little Sister |
| ALS➣Acid-Labile Subunit (protein) |
| ALS➣Artificial Lift System (various companies) |
| ALS➣Assistive Listening System |
| ALS➣Albany Law School (Albany, NY) |
| ALS➣Alerting Service |
| ALS➣Australian Literary Studies (est. 1963; journal) |
| ALS➣Administrative License Suspension |
| ALS➣Applied Language Solutions (various locations) |
| ALS➣Agglutinin-Like Sequence (biology) |
| ALS➣Alliance Laundry Systems (Wisconsin) |
| ALS➣Avance Logic Sound |
| ALS➣anti Lag System |
| ALS➣Active Line State |
| ALS➣Automatic Line Selection |
| ALS➣Alternate Line Service |
| ALS➣Advanced Login System |
| ALS➣Adjacent Link Station |
| ALS➣Active Link System |
| ALS➣Active Light System |
| ALS➣Airman Leadership School |
| ALS➣Archives and Local Studies (UK) |
| ALS➣Airworthiness Limitations Section (aviation) |
| ALS➣Academic Learning Support (various organizations) |
| ALS➣Adaptive Living Skills |
| ALS➣Atlanta Linux Showcase |
| ALS➣Antar Lintas Sumatera (Indonesian bus operator) |
| ALS➣Academic Library Survey (various organizations) |
| ALS➣Advanced Labelling Systems Ltd. (UK) |
| ALS➣Allocation de Logement à Caractère Social (French: Allocation of Social Housing; student housing) |
| ALS➣Australian Literature Society (now Association for the Study of Australian Literature) |
| ALS➣Airlift Squadron (USAF) |
| ALS➣Advance Legislative Service (LexisNexis) |
| ALS➣Allocation de Logement Social (French: housing allowance) |
| ALS➣Air, Land and Sea |
| ALS➣Adult Learning Service (PBS) |
| ALS➣Approach Light System |
| ALS➣Alternate Light Source |
| ALS➣Alternate Line Service (GSM mulitple line feature) |
| ALS➣Autographed Letter Signed |
| ALS➣All Ladies Shaved |
| ALS➣Advanced Launch System |
| ALS➣Anti-Lag System (turbocharged race cars) |
| ALS➣Age Left School (statistic) |
| ALS➣Angular Leaf Spot |
| ALS➣Automatic Landing System |
| ALS➣Automated Library System |
| ALS➣Automatic Laser Shutdown (Alcatel) |
| ALS➣Academic Learning Series |
| ALS➣Amyotrophic Lateral Sclerosis Society of Canada |
| ALS➣Asset Liability Strategy (finance; various companies) |
| ALS➣American Lumber Standards |
| ALS➣Automated Lien System |
| ALS➣Aurora Loan Services, Inc |
| ALS➣Applied Logic Systems |
| ALS➣Analytical Laboratory System |
| ALS➣Application Layer Structure |
| ALS➣Association of Lipspeakers |
| ALS➣Adjacent Link Station (IBM) |
| ALS➣Augmented Logistics Support |
| ALS➣Automatic Linear Slide (Switch) |
| ALS➣Anti-Lymphocyte Serum |
| ALS➣Australian Laboratory Services Pty Ltd |
| ALS➣Ada Language System |
| ALS➣Advanced Logistics System |
| ALS➣Actual Loss Sustained |
| ALS➣Acquisition Logistics Support |
| ALS➣Adaptive Learning System |
| ALS➣Alexander Language Schools (London, England) |
| ALS➣Aircrew Life Support |
| ALS➣Académie Lorraine des Sciences (French: Lorraine Academy of Sciences; formerly Society of Sciences in Nancy; Nancy, France) |
| ALS➣American Lithotripsy Society |
| ALS➣Advanced Loan System |
| ALS➣Alliance of Literary Societies |
| ALS➣Aircraft Landing System |
| ALS➣Alamosa, CO, USA - Bergman Field (Airport Code) |
| ALS➣Autonomic Logistics System (aviation maintenance) |
| ALS➣Active Line State (Cisco) |
| ALS➣Advanced Low-power Schottky Logic (family of logic integrated circuits) |
| ALS➣Airside and Landside (aviation) |
| ALS➣Assignment and Licensing System (Canada) |
| ALS➣Accident Localization System |
| ALS➣Automated List Service |
| ALS➣AT&T Local Service |
| ALS➣Area Licensing System |
| ALS➣Aceto Lactate Synthase |
| ALS➣Australian Lifeguard Service (Surf Life Saving Australia) |
| ALS➣Ammunition Loading System |
| ALS➣Alternate Landing Site |
| ALS➣Achievement Levels Setting |
| ALS➣Accidental Limit States |
| ALS➣Active Laser Seeker |
| ALS➣Arizona Learning System (community colleges, Phoenix, AZ) |
| ALS➣Airborne Link Segment |
| ALS➣Autonomous Listening Station |
| ALS➣Advanced Laser System |
| ALS➣American Lory Society |
| ALS➣Air Logistics Squadron |
| ALS➣All Weather Landing System |
| ALS➣Auxiliary Lighter |
| ALS➣Advanced Language Studies |
| ALS➣Asian Language Services |
| ALS➣Alternative Logistics Support |
| ALS➣Ameritech Library Systems |
| ALS➣Advanced Landing System |
| ALS➣Air Logistics Service |
| ALS➣Asset Library System |
| ALS➣Alton and Southern Railway Company |
| ALS➣Application Library Services |
| ALS➣Advanced Leadership Series |
| ALS➣Another Legacy System |
| ALS➣Architecture Level Set (IBM mainframes) |
| ALS➣Azimuth Laying Set |
| ALS➣Archimedial Log Spiral |
| ALS➣Alaska Lepidoptera Survey |
| ALS➣Advanced Land Systems (US Army) |
| ALS➣Alternate Landing Strip |
| ALS➣AIS/LOP Second (SONET) |
| ALS➣Application-Level Simulation (network security) |
| ALS➣Authorized Long Supply |
| ALS➣Aiding the Light to Shine |
| ALS➣Alpha Language School (Japan) |
| ALS➣Airone Launch Services |
| ALS➣American Light-wave System |
| ALS➣Athena Language School (Greece) |
ALS - thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs