IMD

• Imd, a giantess in Norse mythology, one of the nine Mothers of Heimdall

Institution or location

• India Meteorological Department, the Indian government agency for meteorology and seismology
• Indian Medical Department, the name of the medical department of the Indian army in 19th-20th century
• Interactive Media Division, a division of the School of Cinematic Art, the University of Southern California, Los Angeles, California, USA
• International Institute for Management Development (IMD), a business school located in Lausanne, Switzerland
• International MTM Directorate, a federation of national MTM (methods-time measurement) associations
• Internationales Musikinstitut Darmstadt, the organization responsible for the Darmstädter Ferienkurse

Medicine

• Invasive meningococcal disease
• Immune-mediated disease, any immune disorder or any disease secondary to immune responses
• Inherited metabolic disorder, an inborn error of metabolism from inherited mutation (as opposed to one from de novo mutation)
• Immunomodulatory drug (immunomodulator), a drug that adjusts immune function (Immunotherapy § Immunomodulators)
• Immunodeficiency, weakness of the immune system
• Immune-mediated diabetes, any type of diabetes with immune responses as a major causative factor
• Immunizing dose, the dose sufficient to immunize (and IMD₅₀ is the median value)
• The Immune deficiency pathway (Imd pathway) of insects

Technology

• Indigo Magic Desktop, the default Desktop Environment for IRIX (a UNIX variant by Silicon Graphics), in versions 5.1–6.4
• Insulation monitoring device, a protection device or circuit in electric systems
• Intermodulation distortion, the result of two (or more) signals of different frequencies being mixed together in a signal processing path, forming additional, unwanted signals

Other

• Illinois Medical District, a special-use zoning district on the Near West Side of Chicago, Illinois, USA
• Index of Multiple Deprivation
• International Management District in Greater Houston
• International Media Distribution
• International Men's Day, an international event
• International Museum Day, a celebration that is held each year on or about 18 May
• IMDb, Internet Movie Database