Kokushikan University (国士舘大学, Kokushikan Daigaku) is a private university in Setagaya, Tokyo, Japan.

The basic origins of Kokushikan University lie in the Kokushikan private academy which was founded in Tokyo's Azabu District in 1917, during the Taisho period.

Kokushikan's 146,000 graduates are active in all spheres of society.

In addition to Kokushikan University, the other participants in the Setagaya Six Universities Consortium (世田谷6大学コンソーシアム Setagaya Roku Daigaku Konsōshiamu) are as follows: Kokushikan University is in a credit transfer agreement with the following area schools: Iraq