| Acronym | Definition |
|---|
| GAHA➣Genesee Amateur Hockey Association |
| GAHA➣Graduate Art History Association (various schools) |
| GAHA➣Gold Award Holders Alumni (Singapore) |
| GAHA➣Gold Award Holders Association |
| GAHA➣Greater Adirondack Home Aides (Glen Falls, NY) |
| GAHA➣Georgia Appaloosa Horse Association |
| GAHA➣Guarnicionería Aeronautica Hermanos Aranda (Spanish aviation company) |