| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SAL | San Salvador Island | In English | → Geography |
| SAL | Scientific Airlock | In English | |
| SAL | Shuttle Avionics Laboratory | In English | → Research institutes → Aeronautics, aircraft → Astronautics |
| SAL | Strategic Arms Limitation | In English | → International relations → Military engineering |
| SAL | Supersonic Aerophysics Laboratory | In English | → Research institutes → 5335 → Aeronautics, aircraft → United States |
| SAL | Sérum antilymphocytaire | In French | → Immunology and allergy |
| SAL | Security Aspects Letter | In English | |
| SAL | Saharan Air Layer | In English | → Meteorology, climatology |