GBB may refer to: Greenbottle blue tarantula, a spider from Venezuela Bourbon (group), a French shipping company Ghar Banduk Biryani, a 2023 Marathi film Genes, Brain and Behavior, a scholarly journal Georgia Brass Band, an American band Global Aviation, a South African airline Global Business Brigades, an international development organization Grand Beatbox Battle, a yearly worldwide beatbox competition Kaytetye language Qabala International Airport, in Azerbaijan