LMS may refer to:
- Lawrence Mark "Larry" Sanger, co-founder of Wikipedia
- Labeled magnitude scale, a scaling technique
- Lady Manners School, a seventeenth century comprehensive school in Bakewell, England.
- Lancaster Mennonite School, a school located in Lancaster, PA.
- Last man standing (gaming), a gametype featured in several computer and video games
- Last Man Standing Coop, a Doom 3 cooperative-play modification
- Latin Mass Society, a Roman Catholic organisation promoting the traditional Latin Mass
- Le Mans Series, a European sports car racing series
- Leamington Spa railway station, England; National Rail station code LMS
- Learning management system, software used in education
- Least mean squares filter, an adaptive filter algorithm for digital signal processing
- Leiomyosarcoma, a rare form of cancer
- Lenz microphthalmia syndrome
- Library management system; synonym for integrated library system (ILS)
- Licentiate in Medicine and Surgery; taken to mean the equivalent of "licensed medical surgeon"
- Like My Status; a common prefix used on statuses on Facebook where the writer of the status implies
that something will happen if one of their friends were to "like" it - Linear multistep method, a class of methods for approximating solutions to differential equations
- LMS, a hip hop band made of children of reggae artist Denroy Morgan
- LMS color space
- LMS International, an engineering software and services company based in Leuven, Belgium
- Local Management of Schools, the financial procedures established for schools in England and Wales by
the Education Reform Act 1988 - Local Mitigation Strategy
- Location Message Service
- Logistics Management System, a system that aims to provide the means to acquire and deliver material
and human resources - London Mathematical Society
- London, Midland and Scottish Railway
- London Missionary Society
- Louie McCarthy-Scarsbrook, a rugby league footballer for St. Helens RLFC
- Lord Mayor's Show, one of the longest established and best known annual events in London which dates back to 1535.
- Logitech Media Server, streaming audio server software