HCH

HCH may refer to:


 * Hampton Court House, an independent school in Surrey, UK
 * Hexachlorocyclohexane, a group of chemical compounds
 * Holmes Chapel railway station (National Rail station code), in Cheshire, England
 * Huế Central Hospital, in Vietnam
 * Huichol language, an indigenous language of Mexico
 * Hypochondroplasia, a developmental disorder
 * Herbert Clark Hoover, President of the United States