| 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 |