| Acronym | Definition |
|---|
| GBG | Göteborg (Sweden) |
| GBG | Google Business Group |
| GBG | Guernsey (International Auto Identification) |
| GBG | Great Basin Gold Ltd. |
| GBG | Good Beer Guide (UK pub guidebook published annually by the Campaign for Real Ale) |
| GBG | Graf Blum Group |
| GBG | Garciaparra Baseball Group |
| GBG | Georgeson Botanical Garden (University of Alaska; Fairbanks, AK) |
| GBG | Guild of Battlefield Guides (UK) |
| GBG | Guided by God (MLM company) |
| GBG | Great Big Grin |
| GBG | Gay Boy Gangsters (prison gang) |
| GBG | Golden Books Group (UK) |
| GBG | General Bank of Greece |
| GBG | Galesburg Municipal Airport, Galesburg, Illinois (Airport Code) |
| GBG | Greater Boston Granite (Massachusetts) |
| GBG | Golden Bridge Ghana |
| GBG | Game Breaking Glitch (gaming) |