LM

The abbreviation LM or lm may refer to:

* companies:
** Lockheed Martin, an aerospace manufacturer
** London Midland, a rail operator in the West Midlands, England.
* in economics and business studues:
** IS/LM model in macroeconomics, where LM refers to Liquidity preference-Money supply
** Lean manufacturing
* in mathematics, science and statistics:
** Language model, mathematical model used in language processing and speech recognition
** Levenberg–Marquardt algorithm
** Lumen, unit of luminous flux
* military:
** Legion of Merit a United States military decoration
* in motor sport:
** 24 Hours of Le Mans race, and related car models
* people:
** Luis Miguel, Mexican singer
* in politics:
** Liberal Movement, a defunct Australian political party.
* publishing:
** "Living Marxism" magazine, published under the name "LM" between 1997 and 2000
* technology:
** Apollo Lunar Module spacecraft
** LAN Manager, a network operating system developed by Microsoft
** Light meter
* miscellaneous:
** LM, licence plate code for Limburg-Weilburg in Germany
** LM, licence plate code for Liptovský Mikuláš in Slovakia
** L&M, a brand of cigarettes
** Lower Merion High School, a Pennsylvania secondary school

See also

* IM (disambiguation)