LM

The abbreviation LM or lm may refer to:

Companies

• Legg Mason, a U.S. investment management firm; NYSE ticker symbol
• Livingston Energy Flight, an Italian airline; IATA airline designator code
• Lockheed Martin, a U.S. defense contractor
• London Midland, a rail operator based in the West Midlands, England

Economics and business studies

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

Mathematics, science and statistics

• Lagrange multiplier, a method for finding maxima and minima subject to constraints
• Language model, mathematical model used in language processing and speech recognition
• Leonard-Merritt mass estimator
• Levenberg–Marquardt algorithm
• Lumen, unit of luminous flux

Military

• Legion of Merit a United States military decoration

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

Politics

• Liberal Movement, a defunct Australian political party

Publishing

• Living Marxism magazine, published under the name LM between 1997 and 2000
• LM (magazine), a defunct British computer game magazine

Technology

• Apollo Lunar Module spacecraft
• LAN Manager, a Microsoft network operating system
• LM hash, a Microsoft password hash function
• Light meter
• Light microscope
• Linear Monolithic, a National Semiconductor prefix for their linear integrated circuits (e.g. LM324)
• Long mode, a CPU mode of operation where 64-bit programs are executed (lm is also set as a CPU flag)

Geography

• Lower Mainland, a region in British Columbia, Canada

Vehicle registration plate code

• Limburg-Weilburg, Germany
• Liptovský Mikuláš, Slovakia
• County Leitrim, Ireland

Other

• L&M, a brand of cigarettes
• Lower Merion High School, a Pennsylvania secondary school

See also

• IM (disambiguation)