Hantzsch

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