| Abbreviation | Definition |
|---|---|
| GPC | Green Party of Canada |
| GPDF | Gambela People’s Democratic Front |
| GPDF | Gurage People’s Democratic Front |
| GPE | Geo political entity |
| GPES | Global Politics Economy and Society |
| GPEW | Green Party of England and Wales |
| GPI | Grupo Parlamentario Independiente |
| GPLS | Government Politics Legal Society |
| GPPE | Governance Policy and Political Economy |
| GPPP | Ghana Political Parties Programme |
| GPRI | Green Party of Rhode Island |
| GPSA | Georgia Political Science Association |
| GPSG | Greek Politics Specialist Group |
| GRA | Georgia Republican Assembly |
| GRAPES | Geography Religion Accomplishments Politics Economics and Society |
| GRAPES | Geography Religion Achievements Politics Economics and Social |
| GRASP | Great Resolutions Achieve Social Progress |
| GREEN | Getting Republicans Elected Every November |
| GRID | Greens Republicans Independents And Democrats |
| GRIP | Grass Roots Improvement Process |