LSS

LSS may refer to:

Companies and organizations

Companies

• LSS Data Systems, a medical software company
• Lone Star Steel Company, a tubular steel mill in Lone Star, Texas

Schools

• Lakeland School System, school district in Lakeland, Tennessee
• Laurel Springs School, Ojai, California, United States
• Lawrence Sheriff School, Rugby, Warwickshire
• Langstaff Secondary School, Richmond Hill, Ontario
• London School of Sound, school of music production based in London, United Kingdom

Other organizations

• Law Society of Saskatchewan
• Leicester Secular Society, the world's oldest Secular Society
• Life Saving Society
• Lithic Studies Society
• Lincoln Square Synagogue, Manhattan, New York City
• Lunds Studentsångförening, a Swedish male-voice choir

Science and technology

• Large-scale structure of the universe
• Large Space Simulator, Space simulator
• Life Span Study of atomic bomb survivors, see Epidemiology data for low-linear energy transfer radiation
• Linhard–Scharff–Schiøt theory in ion physics
• LSS (gene), an enzyme
• LSS (Lynxmotion Smart Servo), a series of hobbyist-grade smart actuators created by RobotShop Inc.
• Landing Ship Stern Chute, a converted train ferry used early in WW2 as Dock landing ship
• Lumbar spinal stenosis, a medical condition in which the spinal canal narrows
• XM26 Lightweight Shotgun System

Other uses

• L. S. Sheshagiri Rao, Indian writer and scholar of Kannada literature
• Lean Six Sigma, a synergized managerial concept of Lean manufacturing and Six Sigma
• Licentiate of Sacred Scripture, see Licentiate of Sacred Theology
• Logistics Support System
• Lone Star Showdown, the official rivalry between the Texas A&M Aggies and the Texas Longhorns
• LSS (Last Song Syndrome), a 2019 Philippine film