| Abbreviation | Definition |
|---|---|
| INDR | International Network of Doping Research |
| INER | Institute of Nuclear Energy Research |
| INFER | International Network for Economic Research |
| INGS | Information-explosion and Next Generation Search |
| INMAS | Institute of Nuclear Medicine and Allied Studies and Analysis |
| INOWER | International Network on Offshore Wind Energy Research |
| INRAE | Institut national de recherche pour l'agriculture, l'alimentation et l'environnement, |
| INRF | Integrated Nano Research Facility |
| INRIA | Institut National de Recherche en Informatique et en Automatique (French National Institute for Research in Computer Science and Control) |
| INRO | Intramural NIAID Research Opportunities |
| INRT | International Network of Research and Training |
| INRT | International Network of Research Training |
| INSPIRE | Inspiring New Scientific Perspective in Research and Ethics |
| INSPIRE | Interdisciplinary National Science Project Incorporating Research and Education |
| INTR | Interactive Networking Tool for Research |
| INTR | International Network for Tax Research |
| IORB | Institute for Outlier Research in Business |
| IOSR | International Organization of Scientific Research |
| IP | Instytut Polnocny |
| IPGMR | Institute of Post graduate Medicine and Research |