SIAL
| Acronym | Definition |
|---|---|
| SIAL | Sigma Aldrich (stock symbol) |
| SIAL | Salon International de l'Alimentation |
| SIAL | Serials in Australian Libraries (bibliographic database) |
| SIAL | Speciation in Ancient Lakes (workshop) |
| SIAL | Silica and Aluminium (earth's crust upper shell) |
| SIAL | Scooby in a Lake |
| SIAL | Sana'a Institute for the Arabic Language (Yemen) |
| SIAL | Système d'Information et d'Aide aux Lauréats de Concours (French: System Information and Support for Contest Winners) |