| Abbreviation | Definition |
|---|---|
| IEPC | Institute to Enhance Palliative Care |
| IEPI | Institute on Ethics Policy for Innovation |
| IER | Institute for Employment Research |
| IER | Institute for Energy Research |
| IER | Institute for Environmental Research |
| IER | Institute of Employment Rights |
| IERB | Institution Ethics Review Board |
| IERI | Information Engineering Research Institute |
| IERI | Institute for Economic Research on Innovation |
| IERS | Institute for |
| IERT | Institute of Engineering and rural technology |
| IES | Institute for an Entrepreneurial Society |
| IES | Institute for Environmental Security |
| IES | Institute for European Studies |
| IES | Institute for Excellence in Sales |
| IES | Institute for the Environment and Sustainability |
| IES | Institute of Economy Studies |
| IES | Institute of Education Sciences |
| IES | Institute of European Studies |
| IESA | Institute for Environmental and Spatial Analysis |