HLH
# HLH

HLH may refer to:

## Biology and medicine

* Hemophagocytic lymphohistiocytosis, a blood disorder
* Basic helix–loop–helix, a structural motif in proteins
* Hectopsyllidae, a family of parasitic fleas

## Places

* Haydom Lutheran Hospital, in Manyara Region, Tanzania
* Ulanhot Yilelite Airport, in Inner Mongolia, China
* Hulan District, in Harbin, China; see List of administrative divisions of Heilongjiang
* Merrill (Marriner Wood) Hall, a dorm at Brigham Young University in Provo, Utah, U.S.; see List of Brigham Young University buildings#Helaman Halls

## Other uses

* HLH Orion minicomputer, by High Level Hardware Ltd
* Harry Lloyd Hopkins (1890–1946), an American statesman; see George Racey Jordan#Congressional testimony
* Hillesheimite, a mineral; see List of mineral symbols#H
* Hala Air, an airline based in Sudan; see List of airline codes (H)
* Heavy-lift helicopter, a type of military helicopter
* Haklau Min, a variety of Min Chinese, by proposed ISO 639-3 code
