| Abbreviation | Definition |
|---|---|
| GEPI | Gender Equity Policy Institute |
| GERI | Goldschleger Eye Research Institute |
| GERI | Gujarat Engineering Research Institute |
| GESI | Global Engagement Studies Institute |
| GFI | Global Financial Institution |
| GFI | Good Food Institute |
| GFIC | Global Financial Institutions Center |
| GFIC | Global Financial Institutions Concentration |
| GFMI | Global Financial Markets Institute (Long Island, NY) |
| GFRI | Gromov Flight Research Institute |
| GGI | Galileo Galilei Institute |
| GGI | Global Governance Institute |
| GGI | Gulzar Group of Institutes |
| GHI | German Historical Institute |
| GHI | Global Health Institute |
| GHIA | Gertrude Herbert Institute of Art |
| GHISS | Guru Harkrishan Institute of Sikh Studies |
| GI | Geophysical Institute |
| GIA | Gemmological Institute of America |
| GIA | Gemological Institute of Africa |