| 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) |