MDH

MDH may refer to:

Chemistry

 * Malate dehydrogenase
 * (S)-mandelate dehydrogenase
 * Methanol dehydrogenase (cytochrome c)
 * Methylenedioxyhydroxyamphetamine

Health and medicine

 * Manila Doctors Hospital, in Ermita, Manila, Philippines
 * Mater Dei Hospital, in Msida, Malta
 * Milton District Hospital, in Milton, Ontario, Canada
 * Minnesota Department of Health

Other uses

 * MDH (spice company), an Indian spice producer and seller
 * Maguindanao language (ISO 639-3: mdh)
 * Mälardalen University College (Mälardalens högskola; MdH), in Sweden
 * Minimum descent height, for aircraft landing; see List of aviation, avionics, aerospace and aeronautical abbreviations
 * Multidimensional hierarchical toolkit
 * Southern Illinois Airport (IATA: MDH)