National Institute of Polar Research, NIPR (Japanese: 国立極地研究所, Hepburn: Kokuritsu-kyokuchi-kenkyūsho) is the research institute responsible for scientific research and observation of the polar regions. NIPR manages several observation stations in the Arctic and Antarctica. It was founded in 1973.

The NIPR conducts Arctic observations of the atmosphere, ice sheets, Earth’s magnetic field and the ecosystems of the polar regions.

NIPR is an inter-university research institute that has observation stations in the Arctic and Antarctica. Stations are located in Svalbard, Greenland, Northern Scandinavia, Queen Maud Land, and Iceland.

• Asuka Station
• Dome F
• Mizuho Station
• Showa Station

Asteroid 7773 Kyokuchiken was named in honor of The National Institute of Polar Research (by its shortened Japanese name "Kyokuchiken"). The official naming citation was published by the Minor Planet Center on 25 September 2018 (M.P.C. 111797).

• Polar Science
• Glossary of meteoritics

• Yanai K., Kojima H., Haramura H. (1995): Catalog of Antarctic Meteorites. NIPR, Tokyo
• William A. Cassidy, Meteorites, Ice and Antarctica, Cambridge University Press (2003), ISBN 0-521-25872-3

• Official Japanese website
• Official English website
• Future Symposiums at the National Institute of Polar Research
• Antarctic Meteorite Research (journal)
• Memoirs of National Institute of Polar Research

35°42′45″N 139°24′32″E / 35.71250°N 139.40889°E / 35.71250; 139.40889