IHEG
| Acronym | Definition |
|---|---|
| IHEG | Iron Horse Entertainment Group (Northampton, MA) |
| IHEG | Internationalen Hanns Eisler Gesellschaft (German: International Society Hanns Eisler) |
| IHEG | Institute of Hydrogeology and Environmental Geology (est. 1956; Hebei, China) |
| IHEG | Institute of Hydrogeology and Engineering Geology (Georgia) |