| Acronym | Definition |
|---|
| LM | Lockheed Martin |
| LM | Lumen |
| LM | Le Mans |
| LM | Logistics Management |
| LM | Lunar Module (replaced LEM) |
| LM | Levenberg-Marquardt (algorithm) |
| LM | Linux Magazine |
| LM | Loadmaster |
| LM | Light Meter (photography) |
| LM | Linux-Mandrake (Linux Distribution) |
| LM | Life Member |
| LM | liver metastasis |
| LM | Liquid Metal |
| LM | Lady Macbeth |
| LM | Lagrange Multiplier |
| LM | Line Monitor |
| LM | Load Multiple (IBM) |
| LM | Lunch Menu |
| LM | Lambert(s) (unit of luminance) |
| LM | LanManager |
| LM | Logistics Manager |
| LM | Love Marriage |
| LM | Leprosy Mission |
| LM | Laser Module |
| LM | Lord Mayor |
| LM | Licensed Midwife |
| LM | Lowell Massachusetts (.50 caliber ammunition headstamp) |
| LM | Location Management |
| LM | Location Manager (film industry) |
| LM | Long Mode (computing protocol) |
| LM | Language Minority (language learning) |
| LM | Life Master (Contract Bridge Ranking) |
| LM | Logic Module |
| LM | Legion of Merit |
| LM | Lady Madonna (Beatles song) |
| LM | Left Message |
| LM | Luigi's Mansion (video game) |
| LM | Lata Mangeshkar (Indian singer) |
| LM | Local Manufacture |
| LM | Lead Man (Supervisor) |
| LM | Low Migration (printing ink) |
| LM | Lateral Meniscus (knee) |
| LM | Low Moment (chemistry) |
| LM | Liquidity-Money (macroeconomic curve that links interest rates and output as a result of interactions in asset markets) |
| LM | Long Meter (hymnology) |
| LM | Lay Midwife (midwife without a medical degree) |
| LM | Legal Momentum (formerly NOW Legal Defense and Education Fund) |
| LM | Libris Mortis (roleplaying games, Dungeons & Dragons) |
| LM | Lunar Magic (game) |
| LM | Lifetime Maintenance |
| LM | Lorenz-Mie |
| LM | Leaky Mode (transmission line) |
| LM | Light Magnum (ammunition) |
| LM | Ladies' Meeting |
| LM | LoudMusic |
| LM | Lightwave Multimeter (Agilent) |
| LM | Lunixmonster (Natural Selection gaming server) |
| LM | Loop Modem |
| LM | Labor Month |
| LM | Littlewood and Miller (probabilistic model) |
| LM | LadderMonkey (gaming league) |
| LM | Litchfield and Madison Railroad |
| LM | Lauis Metis (neutral zone planet from Diaspora) |
| LM | Lumbering Might (computer game) |
| LM | List of Material/s |