ILRS
| Acronym | Definition |
|---|---|
| ILRS | International Laser Ranging Service (NASA) |
| ILRS | Indian Long Range Squadron (British Indian Army) |
| ILRS | International League of Religious Socialists |
| ILRS | International Leibniz Research School (Germany) |
| ILRS | International List of Reportable Substances (materials) |
| ILRS | Immigration Lawyer Referral Service (American Immigrant Lawyers Association) |
| ILRS | Ink Level Restore System (printing) |
| ILRS | IL-4 (Interleukin-4) Response Sequence (molecular biology) |