Chichibunomiya Rugby Stadium is a rugby union stadium located in the Aoyama district of central Tokyo, Japan. It is the spiritual home of Japanese rugby union and the headquarters of the Japan Rugby Football Union. Named for Prince Chichibu, the late brother of Emperor Hirohito, the venue is used mostly for rugby sevens and rugby union matches.

The Japan Rugby Football Union is the governing body for rugby union in Japan. It was formed 30 November 1926, and organises matches for the Japan national team.