SLSA
| Acronym | Definition |
|---|---|
| SLSA | Surf Life Saving Australia |
| SLSA | State Library of South Australia |
| SLSA | Society for Literature, Science, and the Arts |
| SLSA | Socio-Legal Studies Association (UK) |
| SLSA | Special Light-Sport Aircraft |
| SLSA | St. Lawrence Seaway Authority |
| SLSA | Saskatchewan Land Surveyors' Association |
| SLSA | St. Louis Soaring Association (aviation) |
| SLSA | Sandia Laboratories Softball Association |