| Abbreviation | Definition |
|---|---|
| IGS | Institute for Global Studies |
| IGS | Institute for Graduate Studies |
| IGS | Institute for Guided Studies |
| IGS | Institute of Governmental Studies |
| IGS | Institute of Graduate Studies |
| IGSB | Institute for Genomics and Systems Biology |
| IGSP | Institute for Genome Sciences Policy |
| IGSS | Institute for Green and Sustainable Science |
| IGSW | Institute for Geriatric Social Work |
| IGT | Institute of Gem Trading |
| IGTH | Institute for Global and Transnational History |
| IGU | Institute for Global Understanding |
| IGW | Institute for Global Work |
| IHAC | Institute for Human Animal Connection |
| IHBR | Institute for Health Behavioral Research |
| IHBR | Institute for Health Behavioural Research |
| IHC | Institute for Healthcare Communication |
| IHC | Institute for Human Continuity |
| IHCA | Institute for Healthy Communities Australia |
| IHCD | Institute for Human and Community Development |