ADH may refer to:
Organizations Aalborg DH, a Danish handball club Air One, an Italian airline
Science Adipic acid dihydrazide, a chemical compound Alcohol dehydrogenase, an enzyme Antidiuretic hormone or vasopressin Atypical ductal hyperplasia, a lesion of the breast
Transportation infrastructure Ada Municipal Airport, Oklahoma, US Aldan Airport in Sakha Republic, Russia (IATA airport code ADH) Andheri railway station, Mumbai, India
Other uses Adhola dialect of Southern Luo, spoken in Uganda