| LMM | Locator Middle Marker | 航向中指点标 |
| LMM | Los Mochis, Sinaloa, Mexico (Airport Code) | 墨西哥锡那罗亚州洛斯莫奇（机场代码） |
| LMM | lactobacillus maintenance medium | 乳酸菌维持培养基 |
| LMM | Laser Mortgage Management, Inc. | Laser Mortgage Management公司。 |
| LMM | Los Mochis, Mexico | 墨西哥洛斯莫奇 |
| LMM | Laser Microbeam Microdissection | 激光微束显微解剖 |
| LMM | Lead Market Maker | 主要做市商 |
| LMM | Lincoln Minute Men (Lincoln, MA) | Lincoln Minute Men（马萨诸塞州林肯） |
| LMM | Lead Market Maker (stocks/options trading) | 领先市场制造者(股票/期权交易) |
| LMM | Laboratorium for Marin Molekylærbiologi (Norwegian: Marine Molecular Biology) | Laboratorium for Marin Molekylærbiologi (Norwegian: Marine Molecular Biology) |
| LMM | Line Maintenance Manual | 线路维护手册 |
| LMM | Long Lead Material | 长引线材料 |
| LMM | Locator (at ILS) Middle Marker | 定位器（ILS处）中间标记 |
| LMM | Labor-Management Meeting | 劳动管理会议 |
| LMM | Lucy Maud Montgomery (Canadian author) | 露西·莫德·蒙哥马利（加拿大作家） |
| LMM | Lentigo Maligna Melanoma | Lentigo Maligna黑色素瘤 |
| LMM | LSD (Laboratory for Simulation Development) Model Manager | LSD（仿真开发实验室）模型经理 |
| LMM | Local Magnetic Moment | 局部磁矩 |
| LMM | Limited Maintenance Manual | 有限维护手册 |
| LMM | Lutheran Men In Mission | 路德派信徒 |
| LMM | Linear Mixing Model | 线性混合模型 |
| LMM | Libor Market Model | Libor市场模型 |
| LMM | Light Microscopy Module | 光显微镜模块 |
| LMM | Lucy Maud Montgomery | 露西·莫德·蒙哥马利 |
| LMM | light molecular(weight)meromyosis | 轻分子（重量）肌球蛋白 |