| Acronym | Definition |
|---|
| IESP➣Inter Enterprise Service Provider |
| IESP➣Internet Education Support Program |
| IESP➣Institute for Education and Social Policy (New York University; New York, NY) |
| IESP➣Intelligent Electro Selective Pattern (digital photography) |
| IESP➣Institute for Environmental Science and Policy (University of Illinois at Chicago) |