| Acronym | Definition |
|---|
| GCH | Gas Central Heating |
| GCH | Gym Class Heroes (band) |
| GCH | Gloucester City Homes (UK) |
| GCH | Gold Card Holder |
| GCH | Grey Coat Hospital (UK) |
| GCH | Generalized Continuum Hypothesis (mathematics) |
| GCH | Groupe Conseil Hypothèque (French: Mortgage Consulting Group) |
| GCH | Group Club Handball (Germany) |
| GCH | Guided Contact Hours (various organizations) |
| GCH | Guilford Child Health (North Carolina) |
| GCH | Gym Club Houdanais (Frenc athletic club) |
| GCH | Georgia Commission on the Holocaust (Carrollton, GA) |
| GCH | Grand Cross of Hanover (knight) |
| GCH | Grant Channel |
| GCH | Gas Collection Header |
| GCH | Geyer Coburn Hutchins (Planning and Landscape Architecture; Seattle, Washington) |
| GCH | Great Central Hotel |