| Acronym | Definition |
|---|
| GBHA➣Greater Baltimore Health Alliance (Towson, MD) |
| GBHA➣Génie Biologique-Halieutique-Aquaculture (French: Biological Engineering-Aquaculture-Fisheries) |
| GBHA➣Group-Based Hybrid Algorithm (computing) |
| GBHA➣Greater Baltimore History Alliance (est. 1988; Baltimore, MD) |
| GBHA➣George Bell Hockey Association (Canada) |
| GBHA➣Georgian Bay Hunters & Anglers Club, Inc. (Canada) |
| GBHA➣Greenwich Blues Hockey Association (Connecticut) |
| GBHA➣Gaited Baroque Horse Association |
| GBHA➣Glyoxal-Bis-Hydroxyanil |