| Acronym | Definition |
|---|
| HCH | Hatch (Amtrak station code; Hatch, NM) |
| HCH | Hexachlorocyclohexane |
| HCH | Health Care for the Homeless |
| HCH | Hospital Cayetano Heredia (Peruvian hospital) |
| HCH | Hand Chain Hoist |
| HCH | Holy Cross Hospital |
| HCH | National Health Care for the Homeless Council |
| HCH | Home Care Hospice (various locations) |
| HCH | Hypochondroplasia |
| HCH | Huntsman Cancer Hospital (Salt Lake City, UT) |
| HCH | Herbert Clark Hoover (31st President of the USA) |
| HCH | Highline Community Hospital |
| HCH | Halogenated Cyclic Hydrocarbons |
| HCH | Hemi-Cellulose Hydrolysis |