| LS.S. | Lifesaving station 
| Others |
| LSS | La Salle Speedway
| Others |
| LSS | Lacrosse Super Series
| Others |
| LSS | Laminated Stainless Steel
| Others |
| LSS | Landing Separation Simulator
| Others |
| LSS | Landing Ship Support
| Others |
| LSS | Lane Support System
| Others |
| LSS | Lansing Sanitary Supply
| Others |
| LSS | Large Scale Structure
| Others |
| LSS | Large SICPS (Standardized Integrated Command Post Shelter) Shelter
| Others |
| LSS | Large Space Structure
| Others |
| LSS | Large Space System
| Others |
| LSS | Large Stokes Shift
| Others |
| LSS | Large Storage Systems
| Others |
| LSS | Laser Spot Search
| Others |
| LSS | Last Scattering Surface
| Others |
| LSS | Last Song Syndrome
| Others |
| LSS | Last Strummed Syndrome
| Others |
| LSS | Laurastephens is a thriving co-educational School
| Others |
| LSS | Lauren Sheaffer Sims
| Others |
| LSS | Law Social Sciences
| Others |
| LSS | Layered Security Solutions
| Others |
| LSS | Leadership Scholarship and Service
| Others |
| LSS | Leadership, Service, and Scholaship
| Others |
| LSS | League Space Ship
| Others |
| LSS | Lean Six Sigma
| Others |
| LSS | Learner Support Services
| Others |
| LSS | Learning Support Services
| Others |
| LSS | Learning Support Staff
| Others |
| LSS | Leather Sport Seats
| Others |
| LSS | LeCroy Setup Script
| Others |
| LSS | Left Side Syndrome
| Others |
| LSS | Legacy Ls Special
| Others |
| LSS | Legal Services Society
| Others |
| LSS | Legato - IBM Works for OS/2 SpreadSheet
| Others |
| LSS | legends Statements and Stars
| Others |
| LSS | Lego Standard Stud
| Others |
| LSS | Lensless Smart Sensors
| Others |
| LSS | Leroy Street Studio
| Others |
| LSS | Less Smoke Smell
| Others |
| LSS | Less Than
| Others |
| LSS | Lexical Sample Su
| Others |
| LSS | Lexus Safety System
| Others |
| LSS | Licensed Software Services
| Others |
| LSS | Licentiate in Sacred Scripture
| Others |
| LSS | Life Saving Station
| Others |
| LSS | Life Support Services
| Others |
| LSS | Life Support Subsystem
| Others |
| LSS | Life Support System
| Others |
| LSS | Life Sustaining System
| Others |
| LSS | Lifetime Support Solutions
| Others |
| LSS | Light Side Scatter
| Others |
| LSS | Light Sniper System
| Others |
| LSS | Light State Source
| Others |
| LSS | Light Stream Switching
| Others |
| LSS | Light Super Stock
| Others |
| LSS | Lightweight Shotgun System
| Others |
| LSS | Lightweight Steel Structure
| Others |
| LSS | Limited Stop Service
| Others |
| LSS | Limited Stopping Service
| Others |
| LSS | Lincoln Square Synagogue
| Others |
| LSS | Lincoln Street School
| Others |
| LSS | Line Sharing Service
| Others |
| LSS | Linear Shift Solenoid
| Others |
| LSS | Linux Security Systems
| Others |
| LSS | Linux Software Society
| Others |
| LSS | Linux Support Services
| Others |
| LSS | List Saved Snapshots
| Others |
| LSS | List Set Similarities
| Others |
| LSS | List Summary Service
| Others |
| LSS | Listening Skills and Strategies
| Others |
| LSS | Live Security Service
| Others |
| LSS | Load Far Pointer in SS
| Others |
| LSS | Load Stabilizer System
| Others |
| LSS | Loadable Storage System
| Others |
| LSS | Loadable Storage Systems
| Others |
| LSS | Local School System
| Others |
| LSS | Local Scrapbook Store
| Others |
| LSS | Local Scrapbooking Store
| Others |
| LSS | Local Security Scanner
| Others |
| LSS | Local Security Solution
| Others |
| LSS | Local Sensor Subsystem
| Others |
| LSS | Local Sponsored Search
| Others |
| LSS | Local Storage System
| Others |
| LSS | Location Signature Sensor
| Others |
| LSS | Logical Subsystem
| Others |
| LSS | Logistics Support System
| Others |
| LSS | Lok Seva Sangam
| Others |
| LSS | London Senior Series
| Others |
| LSS | Lonestar Speedway
| Others |
| LSS | Long Short Sell
| Others |
| LSS | Long Story Short
| Others |
| LSS | Long Stroke Suspension
| Others |
| LSS | Loop Switching System
| Others |
| LSS | Lotus Script Source
| Others |
| LSS | Lotus Smart Suite
| Others |
| LSS | Lotus Sport Pack
| Others |
| LSS | Lou's Short Stick
| Others |
| LSS | Love Serve Shine
| Others |
| LSS | Love, Serve, Shine
| Others |
| LSS | Lovely Sailor Soldiers
| Others |
| LSS | Lower Secondary School
| Others |
| LSS | Lower Susquehanna Synod
| Others |
| LSS | Lower Swing Speed
| Others |
| LSS | Lucent Soft Switch
| Others |
| LSS | Lumang Song Syndrome
| Others |
| LSS | Lumbar Spinal Stenosis
| Others |
| LSS | Lung Screening Study
| Others |
| LSS | Lutheran Senior Services
| Others |
| LSS | Lutheran Social Service
| Others |
| LSS | Lutheran Social Services
| Others |
| LSS | Luxury Sport Sedan
| Others |
| LSS | Luxury Sports Sedan
| Others |
| LSS | Luxury Super Sport
| Others |
| LSS | Solo Strings
| Others |
| LSS | Terre-de-Haut, French Antilles
| Others |