| Abbreviation | Definition |
|---|---|
| IDRC | Infectious Diseases Research Collaboration |
| IDRC | International Development Research Center |
| IDRG | Infectious Disease Research Group |
| IDRG | Irish Dystonia Research Group |
| IDRI | Infectious Disease Research Institute |
| IDRP | Institute for Dementia Research and Prevention |
| IDRP | Institute for Dementia Research Prevention |
| IDRP | International Dental Research Program |
| IDRS | International Drug Research Society |
| IDTR | Institute for Dark Tourism Research |
| IDTR | Institute of Driving and Traffic Research |
| IDTR | Institute of Driving and Training Research |
| IEARN | Indian European Advanced Research Network |
| IEDCR | Institute of Epidemiology Disease Control and Research |
| IEDCR | Institute of Epidemiology Disease Control Research |
| IEPM | Intelligent Event Processing Machine |
| IERB | Islamic Econimics Research Bureau |
| IERC | Illinois Education Research Council |
| IERC | Interaction and Entertainment Research Centre |
| IERC | International Energy Research Centre |