STLS
| Acronym | Definition |
|---|---|
| STLS | Structured Total Least Squares |
| STLS | Sternberg Triangular Love Scale (social psychology) |
| STLS | Southern Tier Library System (Painted Post, NY) |
| STLS | Soft Tissue Limb Sarcoma |
| STLS | Stinger Launch Simulator |
| STLS | Surface Tension Lowering Substance |
| STLS | Specified Transfer Listing Service (American Registry for Internet Numbers) |
| STLS | Subacute Thyroiditis-Like Syndrome |