| Abbreviation | Definition |
|---|---|
| AL | American Life |
| AL | amyloid light |
| AL | Amyloidosis AL |
| AL | an Albert |
| AL | and AL |
| AL | Anno Lucia |
| AL | Anon AL |
| AL | Antique Liquidators |
| AL | Applications Lab |
| AL | Arthur Lorch |
| AL | Aspheric Lens |
| AL | aspherical lens |
| AL | Astronomical League |
| AL | Atomic Learning |
| AL | Aus Law |
| AL | Au's Law |
| AL | Authorization List |
| AL | Auto Lite |
| AL | Awesome Lens |
| ALA | A List Apart |