The Japan Sevens, also known as the Tokyo Sevens, is an annual rugby sevens tournament held at the Chichibunomiya Rugby Stadium in Tokyo, Japan. It was a part of the Sevens World Series from 2000 to 2001 and from 2012 to 2015.

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.