| Acronym | Definition |
|---|
| SLSF➣St. Louis-San Francisco Railway (1876-1980) |
| SLSF➣Second Life Sailing Federation (online gaming) |
| SLSF➣Surf Life Saving Foundation (South Brisbane, Australia) |
| SLSF➣Sodium Loop Safety Facility |
| SLSF➣St. Louis Sports Forum (Missouri) |
| SLSF➣Scatter Line Spread Function |