| Acronym | Definition |
|---|
| SLS➣Space Launch System (US NASA) |
| SLS➣Sodium Lauryl Sulfate (foaming ingredient) |
| SLS➣Selective Laser Sintering |
| SLS➣Surf Life Saving |
| SLS➣Suelta la Sopa (Mexican TV show) |
| SLS➣Simracing League System |
| SLS➣Scientific Laboratory Supplies (UK) |
| SLS➣Straight Line Stability (vehicle feature) |
| SLS➣Self Locking System (various companies) |
| SLS➣Speech Level Singing (vocal training) |
| SLS➣Swiss Light Source (Paul Scherrer Institute, Zurich, Switzerland) |
| SLS➣Student Life Skills (various universities) |
| SLS➣Saguenay-Lac-Saint (Canadian region) |
| SLS➣Shawnigan Lake School (Shawnigan Lake, British Columbia, Canada) |
| SLS➣Superior Line Source |
| SLS➣Sequential Logic Systems |
| SLS➣Site License Solution |
| SLS➣Software Licensing Services |
| SLS➣Seville Luxury Sedan |
| SLS➣Self Levelizer Suspension |
| SLS➣Self Lowering Suspension |
| SLS➣Seville Luxury Sedan (car) |
| SLS➣Society of Laparoendoscopic Surgeons |
| SLS➣Stanford Law School |
| SLS➣Softlanding Linux System |
| SLS➣Slovenska Ljudska Stranka (Slovene People's Party, Slovenia) |
| SLS➣Second Level Support |
| SLS➣Supplément de Loyer de Solidarité (French: Additional Rent of Solidarity; tax law) |
| SLS➣SYLVANIA Lighting Services (various locations) |
| SLS➣Society of Legal Scholars (UK and Ireland) |
| SLS➣Service Level Specification |
| SLS➣Summer Leadership School (various organizations) |
| SLS➣Spacelab Life Sciences |
| SLS➣Special Liquidity Scheme (Bank of England) |
| SLS➣Static Light Scattering |
| SLS➣Suburban Library System (Burr Ridge, IL) |
| SLS➣Supplemental Loan for Students |
| SLS➣Service Location Service |
| SLS➣Swing Life Style |
| SLS➣Sport and Leisure Studies (various schools) |
| SLS➣Senior Leader Seminar (US Army) |
| SLS➣Student Leadership Services |
| SLS➣Studio Legale Sutti (law firm; Italy) |
| SLS➣Squadron Leadership School |
| SLS➣Stewart Lender Services (Stewart Title Company; Houston, TX) |
| SLS➣Sjogren-Larsson Syndrome |
| SLS➣Signaling Link Selection |
| SLS➣Samuel L. Sessions (record labels) |
| SLS➣Sequential Lateral Solidification |
| SLS➣Saint Louis School (Clarksville, Maryland) |
| SLS➣Satellite Landing System |
| SLS➣Senior-Loken Syndrome |
| SLS➣Spoken Language System |
| SLS➣Space Launch Squadron |
| SLS➣System Level Solutions (San Martin, California) |
| SLS➣Strained Layer Superlattice |
| SLS➣Side-Lobe Suppression |
| SLS➣Sun Learning Services |
| SLS➣Senior Living Services |
| SLS➣Single Leg Stance (physical therapy) |
| SLS➣Synchronous Learning System |
| SLS➣Side-Looking Sonar |
| SLS➣School of Language Studies |
| SLS➣Speech and Language Sciences |
| SLS➣Specialist in Laboratory Safety |
| SLS➣Submillimeter Limb Sounder |
| SLS➣Second Look Surgery (cancer) |
| SLS➣Special Litigation Section (US DOJ) |
| SLS➣System Level Specification (Ciena) |
| SLS➣Survey Link Scheme (Economic and Social Research Council; UK) |
| SLS➣Sea Level Standard |
| SLS➣Student Loans Survey |
| SLS➣Samurai Longsword (gaming, Lineage2) |
| SLS➣Signaling Link Set (ITI) |
| SLS➣Standard Link State |
| SLS➣Supplemental Living Support (New Jersey) |
| SLS➣Spam Lookup Service |
| SLS➣Space Life Sciences Lab (NASA; formerly Space Experiment Research and Processing Laboratory |
| SLS➣Single Lap Shear (stress analysis) |
| SLS➣Statistical Load Summary (airline industry) |
| SLS➣Sri Lanka Solidarity (Association) |
| SLS➣Single Line Service (US West ISDN) |
| SLS➣Standard Level of Service |
| SLS➣Static Longitudinal Stability (Aircraft Handling Qualities) |
| SLS➣Stabilized Light Source (Bellcore - Fiberoptics) |
| SLS➣Shared Library Service |
| SLS➣Streptococcal Lymphadenitis |
| SLS➣SSD Lazy Simulator |
| SLS➣Société de Livraison Spécialisée (French: Specialized Shipping Company) |
| SLS➣Secure Localization Scheme |
| SLS➣Stony Lake Store (Michigan) |
| SLS➣Serviceabilty Limit State |
| SLS➣SprintLink Services |
| SLS➣Senior Language Specialist (Language Line Services) |
| SLS➣Star Light Scope (night vision instrument using amplification of starlight) |
| SLS➣Switch Load Software (Sprint) |
| SLS➣Site Loading Specifications |
| SLS➣Single Logistics System |
| SLS➣Sonobuoy Localization System |
| SLS➣Shared Laboratory Services, LC (hospitals) |