| Abbreviation | Definition |
|---|---|
| GB | Great Britain |
| GBNI | Great Britain and Northern Ireland |
| GBR | Great Britain |
| GCARD | Global Conferences on Agricultural Research for Development |
| GCI | Grand Cayman Islands |
| GD | Grenada |
| GD | Grosser Deutschland |
| GDACS | Global Disaster Alert and Coordination System |
| GDP | Gross domestic product |
| GDR | German Democratic Republic |
| GE | Georgia |
| GECF | Gas Exporting Countries Forum |
| GEO | Global Earth Oceans |
| GF | French Guyana |
| GFCF | Gross Fixed Capital Formation |
| GFR | German Federal Republic |
| GH | Ghana |
| GHA | Ghana |
| GI | Gibraltar |
| GL | Greenland |