| Acronym | Definition |
|---|
| GB | Great Britain |
| GB | Good Bye |
| GB | Game Boy |
| Gb | Gigabit (1024 megabits) |
| GB | Gigabyte (1024 megabytes) |
| GB | Ground Ball (baseball) |
| GB | Green Bay (Wisconsin) |
| GB | Gordon Brown (UK) |
| GB | Government Bond |
| GB | Guest Book |
| GB | Governing Body |
| GB | Golf Ball |
| GB | Government and Binding (linguistics theory) |
| GB | Great Bend (Kansas) |
| GB | Grande-Bretagne |
| GB | Governing Board |
| GB | Grand Banks |
| GB | Golden Boy (anime) |
| GB | Sarin (nerve agent) |
| GB | Grain Boundary (materials science) |
| GB | Gunbound (game) |
| GB | Grand Blanc (Michigan) |
| GB | Guantanamo Bay (Cuba) |
| GB | Gran Bretaña |
| GB | Ground-Based |
| GB | gorgeous blonde |
| GB | Green Bag (artillery propellant) |
| GB | Golden Book |
| GB | Green Beret |
| GB | Guillain-Barré (syndrome) |
| GB | Gun Barrel |
| GB | Gorilla Biscuits (band) |
| GB | Génie Biologique (French: biological genus) |
| GB | Get Backers (anime) |
| GB | Gulf Bank |
| GB | Got Booted |
| GB | Grand Bend (Ontario, Canada) |
| GB | Gravity Bong (smoking instrument) |
| GB | group buffer (US DoD) |
| GB | Guard Break (gaming) |
| GB | Garbage Bowl |
| GB | Ground Benign (electrical equipment) |
| GB | Gamebunker (gaming) |
| GB | Glassbolaget (Swedish Ice-cream company) |
| GB | Generalized Bootstrap |
| GB | GamerBoards (online video game forum) |
| GB | Griffis Blessing Inc |
| GB | Guanidine Biboric |
| GB | Gravity Bias |
| GB | Guo Biao 2312-80 (Chinese government standard Chinese character encoding scheme) |
| GB | Graeco-Bohairic (Coptic language dialect) |
| GB | George Bush |
| GB | Garanti Bankasi (Garanti Bank of Turkey) |
| GB | Gearbox |
| GB | Gaussian Beam |
| GB | God Bless |
| GB | Gift Box |
| Gb | Gigabarrels (billions of barrels) |
| GB | Georges Bank (Gulf of Maine) |
| GB | Games Back (sports standings) |
| GB | Giordano Bruno (Guatemala school) |
| GB | Gold Bar (Washington) |
| GB | Garageband (Apple music making software) |
| GB | Generation Breakdown |
| GB | General Block |
| GB | Ghetto Booty |
| GB | General Band |
| GB | Glen Burnie (Maryland) |
| GB | Gila Bend (Arizona) |
| GB | Galactic Battlegrounds (game) |
| GB | Ghostbusters |
| GB | Gerard Butler (Scottish actor) |
| GB | Geschaeftsbereich |
| GB | Ghost-Busters |
| GB | Gilbert |
| GB | Glove Box |
| GB | Gabon (Africa) |
| GB | Garth Brooks |
| GB | Glengarry Bhoys (Celtic rock band) |
| GB | Glovebox |
| GB | Gallbladder |
| GB | Glenn Beck (radio personality) |
| GB | Girls' Brigade (Scotland) |
| GB | Gastric Bypass |
| GB | Glass Breaks (security sensor) |
| GB | Global Basis |
| GB | Ginkgo Biloba |
| GB | Getting Better (Beatles song) |