LMS may refer to:

Science and technology

• Labeled magnitude scale, a scaling technique
• Learning management system, education software
• Least mean squares filter, producing least mean square error
• Leiomyosarcoma, a rare form of cancer
• Lenz microphthalmia syndrome
• Computerised Library management system
• Licentiate in Medicine and Surgery, a degree in India
• LMS color space
• Laboratory information management system (but usually LIMS)

Organisations

• Latin Mass Society of England and Wales
• List of Marjan Šarec, a Slovenian political party
• London Mathematical Society
• London, Midland and Scottish Railway
• London Missionary Society
• League of Legends Master Series
• Loving Municipal Schools

Entertainment

• Last man standing (gaming), a type of video game
• LMS, family band of Denroy Morgan

Other uses

• Leamington Spa railway station code, England
• Local Mitigation Strategy
• Local Management of Schools, in the Education Reform Act 1988
• Logitech Media Server
• Loïc Mbe Soh, French footballer