SDH
# SDH

SDH may refer to:

## Biology and Medicine

* Serine dehydratase
* Sorbitol dehydrogenase
* L-sorbose 1-dehydrogenase
* Subdural haematoma
* Succinate dehydrogenase

## Organizations and places

* St David's Hall
* Social Democrats of Croatia
* Society for Digital Humanities
* Sydney Dental Hospital

## Transportation

* Sudbury Hill Harrow railway station, England, National Rail station code

## Other

* Shubnikov–de Haas effect
* Social Determinants of Health
* Southern Kurdish, by ISO 639-3 code
* Subtitles for the deaf and hard-of-hearing
* Synchronous digital hierarchy, in telecommunications
