GBHA
| 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 |