LSSL
| Acronym | Definition |
|---|---|
| LSSL | Landing Ship Support, Large |
| LSSL | Lateral Surface Superlattice (physics) |
| LSSL | Legal Software Solutions Limited (Perthshire, Scotland, UK) |
| LSSL | Large Scale System Laboratory |
| LSSL | Life Support Systems Laboratory (QinetiQ Group PLC; UK) |
| LSSL | Lung Surfactant Surface Layer |