| Acronym | Definition |
|---|
| GCHA➣Greenlawn-Centerport Historical Association (New York) |
| GCHA➣Greater Cincinnati Handball Association |
| GCHA➣Georgia Children's Health Alliance (Atlanta, GA) |
| GCHA➣Gold Coast Hockey Association |
| GCHA➣Golf Club Harrachov |
| GCHA➣Greater Cleveland Hospital Association |
| GCHA➣Gain Cell Headphone Amplifier (PS Audio) |
| GCHA➣Grid Computing and High Availability |
| GCHA➣Gotham City Heart Attack (band) |
| GCHA➣Glan Clwyd Hospital Audiology |
| GCHA➣Greater Cleveland Healthcare Association |
| GCHA➣General Championship Hall Affairs |
| GCHA➣German Curly Horse Association |
| GCHA➣Gulf Coast Heritage Association, Inc. (Florida) |
| GCHA➣Golfclub Hamburg-Ahrensburg eV (Germany) |