The Shieikan is the Tennen Rishin-ryu Dojo, which existed in Ichigaya, Tokyo. The Dojo was established by Kondo Shusuke in 1839. After Kondo Isami joined the Roushigumi, Sato Hikogoro maintained it until 1867.
The Shieikan is known for where the major Shinsengumi members: Hijikata Toshizo, Okita Souji, Inoue Genzaburo, Yamanami Keisuke, Nagakura Shinpachi, Harada Sanosuke, Todo Heisuke, and Saito Hajime, gathered.