| Acronym | Definition |
|---|
| IGSA➣IBM (International Business Machines Corporation) Global Services Australia |
| IGSA➣Intergovernmental Service Agreement |
| IGSA➣InterScan Gateway Security Appliance |
| IGSA➣Indian Graduate Students Association |
| IGSA➣International Gravity Sports Association |
| IGSA➣Intergovernmental Support Agreement (various locations) |
| IGSA➣Iranian Graduate Students' Association |
| IGSA➣International Graduate Students Association |
| IGSA➣Industrial Gas Suppliers Alliance |
| IGSA➣Italian Genealogical Society of America (Peabody, MA) |
| IGSA➣Italian Greyhound Safehouse Alliance (Germantown, TN) |
| IGSA➣Idaho Grower Shippers Association |
| IGSA➣Informatics Graduate Student Association |