SLLS
| Acronym | Definition |
|---|---|
| SLLS | Southeast Louisiana Legal Services |
| SLLS | Synchrotron Light Life Science Center (Ritsumeikan University; Japan) |
| SLLS | South London Liberal Synagogue (London, UK) |
| SLLS | Stop, Look, Listen, Smell (listening halt) |
| SLLS | St. Louis Live Steamers (Missouri) |
| SLLS | Southern Lakes Limousine Services (South Island, New Zealand) |