Hantzsch is a surname. Notable people with the surname include:
Arthur Rudolf Hantzsch (1857–1935), German chemist Hantzsch–Widman nomenclature, type of systematic chemical nomenclature for naming heterocyclic parent hydrides Hantzsch pyridine synthesis, multi-component organic reaction between an aldehyde a β-keto ester and a nitrogen donor Hantzsch pyrrole synthesis, the chemical reaction of β-ketoesters with ammonia and α-haloketones to give substituted pyrroles Bernhard Hantzsch (1875–1911), German ornithologist, Arctic researcher and writer, who discovered two Icelandic bird subspecies Hantzsch Island, uninhabited island in the Qikiqtaaluk Region of Nunavut, Canada named after Bernhard Hantzsch
See also Tzsch