HCH

HCH could refer to:


 * Beta-Benzenehexachloride; product name HCH in Europe.
 * CP HOLDRs; NYSE symbol HCH.
 * Gamma-hexachlorocyclohexane.
 * Hardcore Heads band.
 * Hatch (Amtrak station), New Mexico, United States; Amtrak station code HCH.
 * HCH (helicopter) manufactured by McDonnell Aircraft.
 * Hockey Club Helmond, Netherlands.
 * Holmes Chapel railway station, England; National Rail station code HCH.
 * Huichol language; ISO 639-3 language code HCH.
 * Hypochondroplasia