LSSF
| Acronym | Definition |
|---|---|
| LSSF | Life Sciences Support Facility (US NASA) |
| LSSF | Ljubljana Sweetswing Festival (Ljubljana, Slovenia) |
| LSSF | Living Stream Sisters of Faith (Roman Catholic religious order) |
| LSSF | Lake Superior State Forest (Michigan) |
| LSSF | Land Special Security Force |
| LSSF | Limited Service Storage Facility |
| LSSF | Loughborough Students Sports Foundation (UK) |