The National Institute for Japanese Language and Linguistics (国立国語研究所, Kokuritsu Kokugo Kenkyūjo) (NINJAL) is an independent administrative institution in Japan, established for the purpose of studying, surveying, promoting, and making recommendations for the proper usage of the Japanese language.

The institute is located in Tachikawa City in Tokyo, Japan.

• List of Independent Administrative Institutions (Japan)

• NINJAL, web page (English)
• NINJAL, web page (Japanese)

35°42′39″N 139°24′36″E / 35.71084°N 139.40993°E / 35.71084; 139.40993