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