HS

HS or Hs can stand for:

* Harmonized System of tariff nomenclature
* Hassium, the chemical element
* head shot in photography
* headshot in gaming
* Heavenly Sword, a game for the PlayStation 3
* Helsingin Sanomat, a newspaper in Finland
* Hereditary spherocytosis, a genetic disorder marked by hemolytic anemia
* hidradenitis suppurativa, a skin condition affecting apocrine sweat glands and hair follicles
* high school (secondary education)
* High Society, a German warez and art group
* Higher Secondary Examination in West Bengal
* the Higman–Sims group in mathematics
* "Historische Sprachforschung", a journal of historical linguistics
* Housatonic Southern or Hartford and Slocomb Railroad (after the mark was abandoned by Housatonic Southern) – reporting mark|HS
* Hun Stuff, meaning toxic mustard gas.
* hydrogen sulfide, a chemical compound
* Hypothetical syllogism, a proof rule in classical logic