GBB
GBB may refer to:

 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