| Acronym | Definition |
|---|
| SSSL | Single Sided Single Layer |
| SSSL | Society for the Study of Southern Literature |
| SSSL | Safe Surgery Saves Lives (campaign; World Health Organization) |
| SSSL | Seoul Saturday Soccer League (Seoul, South Korea) |
| SSSL | Sky Subscribers Services Limited |
| SSSL | Safe School Suspension Lab (Natrona County School District) |
| SSSL | Syracuse Scenery and Stage Lighting (New York) |
| SSSL | Supplementary Seismic Survey Licence (oil exploration) |
| SSSL | Skeptical Society of Saint Louis (est. 2008; Saint Louis, MO) |
| SSSL | Silicon Sensing Systems Limited |