GBG
GBG denotes the following terms:
- Non-profit building company in Hildesheim , a German housing company
- Geschwind-Behan-Gallura model , a neurological hypothesis
- GBG Building and Construction Management Graz , a subsidiary of the City of Graz
- German Breast Group, research facility for the treatment and prevention of breast cancer in Neu-Isenburg, see Gunter von Minckwitz
- GBG - Mannheim Housing Association
- Georg Büchner High School (Seelze)
- Great Britain Guernsey , license plate of Guernsey
- Guernsey-Jersey , former FIDE code for chess players from Guernsey and Jersey