| Acronym | Definition |
|---|
| ILSA➣International Law Students Association |
| ILSA➣International Lung Sounds Association |
| ILSA➣Irish Learning Support Association |
| ILSA➣Iran-Libya Sanctions Act of 1996 |
| ILSA➣Interstate Labor Standards Association |
| ILSA➣Insegnanti Italiano Lingua Seconda Associati |
| ILSA➣In Line Skating Academy (Greece) |
| ILSA➣Insurance Licensing Services of America (Groesbeck, TX) |
| ILSA➣Indiana Legislative Services Agency |
| ILSA➣Irvine Linguistics Students Association |
| ILSA➣International Lutheran Single Adults |
| ILSA➣Independent Liverpool Supporters Association (United Kingdom) |
| ILSA➣Instituto de Lengua de Señas Argentina |
| ILSA➣Instituto Latinamericano de Servicios Legales Alternativos (Spanish: Latin-American Institute for Alternative Legal Services) |
| ILSA➣Indigenous Law Student Association |
| ILSA➣Industry Large-Structures Assembly |
| ILSA➣Independent Life Style Assistant |
| ILSA➣Independent Lifestyle Association, Inc. |
| ILSA➣Integrated Logistics Support Agent |
| ILSA➣Improved Lightweight Satellite Antenna |
| ILSA➣Integrated Logistics Support Analysis |
| ILSA➣International Longboard Skateboard Association |