HMD

HMD may refer to:

Science and technology

5,10-Methenyltetrahydromethanopterin hydrogenase, an enzyme found in methanogenic archea
Heavy metal detoxification, the removal of metallic toxic substances from the body
Hepatic microvascular dysplasia, a disorder where mixing of venous blood and arterial blood in the liver occurs at the microscopic level
Hereditary mucoepithelial dysplasia, a rare autosomal dominant multiepithelial disorder
Hexamethylenediamine, an organic compound
Hoof and mouth disease, an infectious viral disease that affects cloven-hoofed animals
Hyaline membrane disease, now called infant respiratory distress syndrome
Head-mounted display, a display device, worn on the head or as part of a helmet
- Helmet-mounted display, for aviation applications
Human Mortality Database, a joint initiative of the University of California, Berkeley, US and the MPI for Demographic Research in Rostock, Germany