LDM, Ldm or LdM may stand for:
Science and technology
edit- 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
- Latent diffusion model, in machine learning
- 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
edit- 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.