| IERC | Illinois Education Research Council 
| Others |
| IERC | Indiana Educational Resource Center
| Others |
| IERC | Indiana Emergency Response Commission
| Others |
| IERC | Indiana Emergency Response Conference
| Others |
| IERC | Inland Empire Running Club
| Others |
| IERC | Integral Ecology Research Center
| Others |
| IERC | Interaction and Entertainment Research Centre
| Others |
| IERC | International Education Resource Center
| Others |
| IERC | International Electronic Research Corporation
| Others |
| IERC | International Energy Research Centre
| Others |
| IERC | International Engagement Ready Communities
| Others |
| IERC | IoT European Research Cluster
| Others |