| 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 |