LDI

LDI may refer to:
 * Logic Dessert Infographic
 * Lady Davis Institute for Medical Research in Montreal, Canada
 * Lawrenceburg Distillers Indiana, the former name of the distillery MGP of Indiana
 * Liberty Diversified Industries
 * Liability-driven investment strategy
 * IATA airport code for Lindi Airport
 * LVDS Display Interface, a low-voltage differential signaling interface for flat-panel displays
 * Laser Direct Imaging, a type of photoplotting
 * La droite indépendante, the former French electoral alliance