| Nagoya Women's University | |
| Nagoya Zokei University of Art & Design | |
| Najimi, Inc. | |
| Nakamura Gakuen University, Junior College | |
| Nakanihon Automotive College | |
| Nakazawa Trading Co., Ltd | Tokyo |
| Namic Corporation | Niigata |
| NANO mRNA Co., Ltd | Tokyo |
| Nanofiber Quantum Technologies | |
| Nanzan University | |
| Naoaki Okasaki | |
| Nara Institute of Science and Technology | Tokyo |
| Nara Medical University | |
| Nara Prefectoral University | |
| Nara University | |
| Nara University of Education | |
| Nara Women's University | |
| Nara Women's University - Department of Information and Computer Sciences | Nara |
| Nara Women's University - Department of Mathematics | Nara |
| Naragakuen University | |
| Narasaho College | |
| Naruto University of Education | |
| National Agriculture and Food Research Organization | |
| National Astronomical Observatory of Japan | |
| National Center for Global Health and Medicine | |
| National Center of Neurology and Psychiatry | |
| National Cerebral and Cardiovascular Center | |
| National Graduate Institute for Policy Studies | |
| National Insitute for Fusion Science | |
| National Institute for Basic Biology | |
| National Institute for Educational Policy Research | |
| National Institute for Japanese Language and Linguistics | |
| National Institute for Physiological Sciences | |
| National Institute of Health Sciences | |
| National Institute of Informatics | Tokyo |
| National Institute of Information and Communications Technology | Tokyo |
| National Institute of Polar Research | |
| National Institute of Population and Social Security Research | |
| National Institute of Science and Technology Policy | |
| National Institute of Special Needs Education | |
| National Institute of Technology (KOSEN), Gunma College | |
| National Institute of Technology (KOSEN), Niihama College | |
| National Institute of Technology, Akashi College | |
| National Institute of Technology, Akito College | |
| National Institute of Technology, Anan College | |
| National Institute of Technology, Ariake College | |
| National Institute of Technology, Asahikawa College | |
| National Institute of Technology, Fukui College | |
| National Institute of Technology, Fukushima College | |
| National Institute of Technology, Hachinohe College | |