| Abbreviation | Definition |
|---|---|
| IGBS | Institute of Global Business Solutions |
| IGC | Institute for Global Citizenship |
| IGCP | Institute for Graduate Clinical Psychology |
| IGD | Institute for Global Dialogue |
| IGD | Institute of Grocery Distribution |
| IGE | Institute for Global Engagement |
| IGEC | Institute For Global Electronic Commerce |
| IGEM | Institute for Genomics and Evolutionary Medicine |
| IGFRI | Indian Grassland and Fodder Research Institute |
| IGG | Institute of Geodesy and Geophysics |
| IGH | Institute for Global Health |
| IGH | Institute of Gender and Health |
| IGH | Institute of Global Homelessness |
| IGHR | Institute for Genealogical and Historical Research |
| IGHR | Institute for Genealogy and Historical Research |
| IGHR | Institute of Genealogical and Historical Research |
| IGHR | Institute of Genealogy Historical Research |
| IGI | Illinois Gymnastics Institute |
| IGI | International Gemological Institute |
| IGIA | Indira Gandhi Institute of Aeronautics |