ILSI
| Acronym | Definition |
|---|---|
| ILSI | International Life Sciences Institute |
| ILSI | Israel Life Science Industry |
| ILSI | Inflation-Linked Securities Index |
| ILSI | Instructional Leadership and Supervision Initiative (Ministry of Education; Yemen) |
| ILSI | Incorporated Law Society of Ireland |
| ILSI | Integrated Logistics Support Instruction |