LDI may refer to: Places Lady Davis Institute for Medical Research, a hospital in Montreal, Canada Lawrenceburg Distillers Indiana, a distillery in Indiana, US Lindi Airport, Tanzania (IATA:LDI)

Technology LVDS Display Interface, for flat-panel displays Laser Direct Imaging, in photoplotting

Other uses Liability-driven investment strategy La droite indépendante, the former French electoral alliance