LM

The abbreviation LM or lm may refer to:

Places

 * County Leitrim, Ireland (vehicle plate code LM)
 * Le Mans, a place in France
 * Limburg-Weilburg, Germany (vehicle plate code LM)
 * Liptovský Mikuláš, Slovakia (vehicle plate code LM)
 * Lourenço Marques, Pearl of the Indian Ocean, Mozambique
 * Lower Mainland, a region in British Columbia, Canada
 * Lower Manhattan, Southern part of Manhattan, New York

Arts, entertainment, and media

 * Little Mix, a British four-piece girl group
 * LM (magazine), a defunct British computer game magazine
 * Living Marxism magazine, published under the name LM between 1997 and 2000
 * Long metre or Long Measure, a hymn-metre with four lines of 8 syllables

Brands and enterprises

 * L&M, a brand of cigarettes
 * Ledgewood Mall, a shopping mall in New Jersey
 * Legg Mason, a U.S. investment management firm; NYSE ticker symbol
 * Lockheed Martin, a U.S. defense contractor

In transportation

 * ALM Antillean Airlines, a Netherlands Antillean airline; IATA airline designator code
 * Lamborghini Militaria, a series of light trucks, the Rambo Lambos
 * Lexus LM, a luxury minivan
 * Livingston Energy Flight, an Italian airline; IATA airline designator code
 * Loganair, a Scottish airline; IATA airline designator code
 * London Midland, a rail operator based in the West Midlands, England

Business and finance

 * IS–LM model in macroeconomics, where LM refers to Liquidity preference-Money supply
 * Lean manufacturing
 * Maltese lira, the former currency of Malta

Organizations

 * Liberal Movement (Australia), a defunct Australian political party
 * Lower Merion High School, a Pennsylvania secondary school

Mathematics and computing

 * Linear model, a type of statistical model
 * Lagrange multiplier, a method for finding maxima and minima subject to constraints
 * LAN Manager, a Microsoft network operating system
 * Language model, a mathematical model used in language processing and speech recognition
 * Lebesgue measure, in measure theory
 * Levenberg–Marquardt algorithm, used to solve non-linear least squares problems
 * Leading monomial
 * Linear Monolithic, a National Semiconductor prefix for integrated circuits; see List of LM-series integrated circuits
 * LM hash, a Microsoft password hash function
 * Long mode, a CPU mode of operation where 64-bit programs are executed (lm is also set as a CPU flag)

Science and technology

 * Apollo Lunar Module spacecraft
 * Leonard-Merritt mass estimator, a formula for estimating the mass of a spherical stellar system
 * Light meter
 * Light microscope
 * Line maintenance, a type of Aircraft maintenance checks
 * Listeria monocytogenes
 * Lumen (unit), a unit of luminous flux

Sport

 * 24 Hours of Le Mans race, and related car models
 * Late model, a class of racing car
 * Left midfielder, a defensive position in association football

Other uses

 * Legion of Merit, a United States military decoration