LSSI
| Acronym | Definition |
|---|---|
| LSSI | Ley de Servicios de la Sociedad de la Información (Spainisn) |
| LSSI | Lutheran Social Services of Illinois |
| LSSI | Lender Support Systems Inc. |
| LSSI | Library Systems and Services Inc. |
| LSSI | Leeds Social Sciences Institute (University of Leeds; Leeds, England, UK) |
| LSSI | Logistics Support Systems and Integration |