SLSL
| Acronym | Definition |
|---|---|
| SLSL | Space Life Sciences Lab (NASA; formerly Space Experiment Research and Processing Laboratory |
| SLSL | South London Special League (UK) |
| SLSL | St. Louis Subbuteo League (table soccer; St. Louis, MO) |
| SLSL | Scanning Laser Stimulated Luminescence |
| SLSL | Simulation and Logistics Systems Laboratory |