LDM

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.