HS or Hs can stand for:
Businesses and brands HS Produkt, a Croatian firearms manufacturer Helsingin Sanomat, a newspaper in Finland Hawker Siddeley, aircraft manufacturing group Henschel & Son, in aircraft prefixes; e.g., Hs 117 Head & Shoulders or H&S, a shampoo brand Harris Scarfe and HS Home, a chain of Australian department stores
Science and technology Chemistry Hassium, symbol Hs, a chemical element Humic substance Bisulfide, HS−, a chemical compound derived from H2S Mercapto radical, •, a radical molecule Hun stuff (a World War I name for mustard gas)
Medicine hs, medical abbreviation for "hours of sleep" h.s., medical abbreviation for the Latin phrase hora somni ("at bedtime") Hereditary spherocytosis, a genetic disorder marked by hemolytic anemia Hidradenitis suppurativa, a skin condition affecting apocrine sweat glands and hair follicles
Other uses in science and technology '.hs', the Haskell programming language's typical filename extension Heat sink Higman–Sims group, in mathematics , the Hilbert–Schmidt norm Hilbert series of a graded algebra Horizon scanning, a method from futures studies Hypothetical syllogism, a proof rule in classical logic
Vehicles Curtiss HS, an American patrol flying boat Lexus HS, a Japanese compact hybrid sedan MG HS, a Chinese-British compact SUV YTHS HS, a Chinese unmanned aerial vehicle series
Other uses Harlem Spartans, a British hip hop collective Harmonized System, the Harmonized Commodity Description and Coding System of tariff nomenclature High school (secondary education) Holy Spirit HS postcode area, covering the Outer Hebrides, Scotland Sestertius, an ancient Roman coin Solar Hijri calendar (= Hijri Shamsi) SS-Heimatschutz Slowakei (HS), a German paramilitary group in Slovakia during World War II Thailand (aircraft registration prefix HS)