| Acronym | Definition |
|---|
| IASL➣International Association of School Librarianship (Erie, PA) |
| IASL➣Institute of Air and Space Law (McGill University; Canada) |
| IASL➣Internationalen Archiv für Sozialgeschichte der Deutschen Literatur (International archives for social history of the German literature) |
| IASL➣Integrated Aircraft Simulation Laboratory |
| IASL➣I Am Seriously Laughing |
| IASL➣Information Assurance Senior Leadership (US DoD) |