Lm

The abbreviation lm can refer to:

*Lumen (unit), a unit of luminous flux
*London Midland, a rail operator in the West Midlands, England
*Maltese lira, the former currency of Malta
*The 24 Hours of Le Mans race, and related car models etc.
*The Apollo Lunar Module spacecraft
*Light meter
*The Liberal Movement, a defunct Australian political party
*LAN Manager
*Language model
* The IS/LM model in macroeconomics (Liquidity preference/money supply)
*"Living Marxism" magazine, published under the name "LM" between 1997 and 2000
*Limburg-Weilburg in Germany ("LM" car plate code)
*Liptovský Mikuláš in Slovakia ("LM" car plate)
* The Levenberg-Marquardt algorithm
*L&M, a brand of cigarettes
*Legion of Merit a military decoration of the United States armed forces
*Lockheed Martin
*Lizzie McGuire, a Disney Channel Series
*Light microscope
*Lightning McQueen, main character in Cars and Cars 2