LDM, Ldm or LdM may stand for:

Science and technology

• Logical data model, a representation of an organization's data, organized in terms of entities and relationships
• Logical Disk Manager
• Local Data Manager
• LTSP Display Manager, an X display manager for Linux Terminal Server Project
• Latitude dependent mantle, a widespread layer of ice-rich material on Mars
• Unit for Loading meter, average height in a truck.
• Liquid drop model of the atomic nucleus

Other

• Laguna del Maule (LdM)
• Leonora Di Millie, a high end fashion brand
• Scuola Lorenzo de' Medici, Italy
• Liberal Democrats (UK), a British political party
• Left defensive midfielder, a position in association football
• Lucas Dumbrell Motorsport
• Louis/Dressner McKenna, an American importer of wine.

This disambiguation page lists articles associated with the title LDM.
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