| Acronym | Definition |
|---|
| ISLS➣International Society for Language Studies |
| ISLS➣Institute for Spanish Language Studies (various locations) |
| ISLS➣International Summer Language School (Czech Republic) |
| ISLS➣Institute for the Study of Language and Society |
| ISLS➣Industrial Standard Lubrication System (South Africa) |
| ISLS➣Institute for the Study of Labor in Society (Indiana University) |
| ISLS➣Interrogator Side Lobe Suppression |