| AALS | A A Language Services
| Others |
| AALS | Acoustic Artillery Location System
| Others |
| AALS | Active Army Locator System
| Others |
| AALS | Adventure Activities Licensing Scheme
| Others |
| AALS | Adventure Activities Licensing Service
| Others |
| AALS | African American Leaders Society
| Others |
| AALS | African American Leadership Society
| Others |
| AALS | AILA Applied Linguistics Series
| Others |
| AALS | Alabama Association of Legal Secretaries
| Others |
| AALS | American Association Of Law Schools
| Others |
| AALS | Anionic Acid Labile Surfactants
| Others |
| AALS | Association For Arid Land Studies
| Others |
| AALS | Association of
| Others |
| AALS | Association Of American Law Schools
| Others |
| AALS | Aston Academy of Life Sciences
| Others |
| AALS | Australian Association Of Live Steam
| Others |
| AALS | Australian Association of Live Steamers
| Others |
| AALS | Automated Asset Locating System
| Others |