LDR may refer to: People Lana Del Rey, American singer-songwriter

Politics Liberal Democrat and Reform Party, European Parliament Laos Democratic Republic Local Democracy Reporter, United Kingdom

Computing LDraw filename extension Low-dynamic-range rendering in 3D computer graphics

Science Light-dependent resistor, a type of electrical component Lateral digit reduction, a phenomenon of digit homology in the origin of birds

Other Loan-deposit ratio Long-distance relationship of a couple