| Acronym | Definition |
|---|
| ASL | American Sign Language |
| ASL | Above Sea Level |
| ASL | Age/Sex/Location? (chat) |
| ASL | Azienda Sanitaria Locale |
| ASL | Assault |
| ASL | Additional Support for Learning (various locations) |
| ASL | Association for Symbolic Logic |
| ASL | Architektur, Stadtplanung, Landschaftsplanung (German: Architecture, Urban Planning, Landscape Planning) |
| ASL | Advanced Science Letters (journal) |
| ASL | Advanced Squad Leader (Multi-Man Publishing magazine) |
| ASL | Advanced Squad Leader (board game) |
| ASL | American Soccer League |
| ASL | Arterial Spin Labeling (medical imaging method) |
| ASL | Apache Software License (Apache Software Foundation) |
| ASL | Age Sex Location |
| ASL | Adobe Styles |
| ASL | Application Scripting Language |
| ASL | Automatic Sound Leveliser |
| ASL | Automatic Speed Limiter |
| ASL | Arithmetic Shift Left |
| ASL | Automatic Sound Levelizer |
| ASL | Axpo Super League (sports; Switzerland) |
| ASL | Archdiocese of Saint Louis (St. Louis, MO) |
| ASL | Autonomous Systems Lab |
| ASL | Acadian Seaplants Limited (Canada) |
| ASL | Application Services Library |
| ASL | Animal Science Lab (various schools) |
| ASL | Appalachian School of Law |
| ASL | Adaptive Systems Laboratory (various universities) |
| ASL | Astaro Security Linux |
| ASL | Art Students League |
| ASL | A Static Lullaby (band) |
| ASL | Auto Service Leasing |
| ASL | authorized stockage list (Army) |
| ASL | ACPI Source Language |
| ASL | Average Service Life (depreciation) |
| ASL | Applied Science Laboratories |
| ASL | Approved Supplier List |
| ASL | Airway Surface Liquid (physiology) |
| ASL | Anti-Secession Law (China) |
| ASL | Archipelagic Sea Lane (US DoD) |
| ASL | Association Sports et Loisirs (French: Sports & Recreation Association) |
| ASL | Anti-Saloon League (1893-1933; Ohio) |
| ASL | Active Status List |
| ASL | Assistant Squad Leader |
| ASL | Australian Society for Limnology |
| ASL | Adaptive Switch Laboratories, Inc. |
| ASL | Account Spending Limit (Sprint) |
| ASL | Albuquerque Seismological Laboratory |
| ASL | Association pour la Sauvegarde du Léman |
| ASL | Atmospheric Surface Layer |
| ASL | Associations Syndicales Libres |
| ASL | Assistant Scout Leader |
| ASL | Authorized Stock(age) List |
| ASL | Anton Szandor LaVey (High Priest of the Church of Satan) |
| ASL | Applied Superconductor Ltd. (UK) |
| ASL | Adaptive Speed Leveling (US Robotics) |
| ASL | Association des Sciences du Langage (French: Association of Language Sciences) |
| ASL | After School Learning |
| ASL | Assistant Secretary for Legislation |
| ASL | Aircraft Services Lemwerder GmbH |
| ASL | Arctic Submarine Laboratory (NOSC) |
| ASL | Array Support Library |
| ASL | Assembler Source Language |
| ASL | Assign Switch Locator (SL) Routing (US DoD) |
| ASL | Aiken-Augusta Swim League |
| ASL | Action Specification Language |
| ASL | Aggregate Stop Loss (Insurance industry term) |
| ASL | American Scientific Lighting |
| ASL | Average Staffing Levels |
| ASL | Anna Sobol Levy (foundation; New York, NY) |
| ASL | Albert Sloman Library (UK) |
| ASL | Active Supplier List |
| ASL | Atmospheric Sciences Laboratory |
| ASL | Association du Syndrome de Lowe |
| ASL | Approved Source List |
| ASL | American School of London |
| ASL | Association Strümpell-Lorrain |
| ASL | Art Slide Library (Brown University; Rhode Island) |
| ASL | Apollo Scientific Ltd. (UK) |
| ASL | Albuquerque Soccer League |
| ASL | Ask Sponsored Listing (online advertising) |
| ASL | Alliance Systems Ltd. (UK) |
| ASL | Applying the Science of Learning |
| ASL | Active Speech Level |
| ASL | Action Semantics Language (extension of UML which allows executable models) |
| ASL | Aeronautical Systems Laboratory |
| ASL | American Strength Legends |
| ASL | Ada Structured Library |
| ASL | About Spanish Language |
| ASL | Allowable Supply List |
| ASL | Application-Specific Language |
| ASL | Adapter Scripting Language (programming) |
| ASL | Accounting Solutions Limited |
| ASL | Audiophile Systems Ltd |
| ASL | Art and Science Laboratory |
| ASL | Anarchist Soccer League |
| ASL | Anderson Strickler, LLC |
| ASL | Astro Space Locator (software) |
| ASL | Analyser Sales Ltd |
| ASL | Automated Securities Lending |
| ASL | Assigned Stockage List |
| ASL | Aeronautical Structures Laboratory |
| ASL | Advanced Simulation Laboratory |
| ASL | Aquitaine Services Logistique (France) |
| ASL | Analytical Service Laboratory (International Rice Research Institute; Philippines) |
| ASL | Approval Services Laboratory |
| ASL | Authorised Signatory List |
| ASL | Antenna Software Ltd |
| ASL | Amador Stage Lines, Inc. |
| ASL | Alternate Storage Location |
| ASL | Acquisition Summary Listing |
| ASL | Advanced Software Logic, Inc. |
| ASL | Affordable Sound and Light |
| ASL | Allery Scotts Ltd |
| ASL | Adventure Seekers Ltd |
| ASL | Armor School Library (Ft Knox, KY, USA) |
| ASL | Australasian Suomalaisten Liitto |
| ASL | Amorphous Silicon Laboratory |
| ASL | Alarm Systems Limited |
| ASL | Advanced Solutions Limited |
| ASL | Amiga Standard Library (UI development) |
| ASL | Alpha Systems Laboratories |
| ASL | Appropriation Summary Ledger |
| ASL | Analytical Chemistry and Nanosciences Short Lectures |
| ASL | Atomic Space Lab (cartoon) |
| ASL | Architecture Simulation Laboratory |
| ASL | Amwell Services Ltd |
| ASL | Asia Supreme Life |
| ASL | Azimuth Steering Line (US Air Force; fighter plane guide) |
| ASL | Avionics System LAN |
| ASL | Autobacs Sportscar Laboratory, Co, Ltd |
| ASL | Active Service List (computer networking) |
| ASL | Autonomous Script Language |
| ASL | Assigned Stockage Level |
| ASL | Aviation Support and Logistics |
| ASL | Agencement Sonorisation Lumière (French lighting company) |