HX

HX may refer to:

Ĥ, a letter in the Esperanto alphabet
HX (convoy), a convoy code used during World War II
HX DOS Extender, a free software product
Hong Kong Airlines IATA code
Hx or H_x, shorthand for medical history
an abbreviation of a hydrogen halide
The HX postcode area, covering Halifax, Elland, Hebden Bridge and Sowerby Bridge in England.
Hummer HX, a concept automobile produced by HUMMER
.hx files are for the haXe programming language
Hacking, an abbreviation among online gamers

See also