Japanese expatriate rugby union players

Atsushi Hiwasa (日和佐篤, Hiwasa Atsushi) (born 22 May 1987 in Hyogo, Japan) is a Japanese rugby union player. Hiwasa has played 28 international matches for the Japan national rugby union team.

Shota Horie (堀江 翔太, Horie Shōta) (born 21 January 1986 in Osaka, Japan) is a Japanese rugby union player. His preferred position is hooker although he can also play in the back row. He represents Japan at the international level. He has played for the Panasonic Wild Knights in the domestic Japanese Top League competition, and in 2013 began playing Super Rugby with the Melbourne Rebels in Australia, but has since gone back to Japan to play for the Sunwolves.

Ayumu Goromaru (五郎丸 歩, Gorōmaru Ayumu, born 1 March 1986 in Fukuoka, Fukuoka Prefecture) is a Japanese rugby union player who plays at fullback for Yamaha Júbilo as well as the Japan national rugby union team.

Fumiaki Tanaka (田中 史朗, born 3 January 1985 in Kyoto, Japan) is a Japanese rugby union footballer. He plays as a scrum-half for Japan on international level and for the Panasonic Wild Knights and the Sunwolves at domestic level.

James Arlidge (ジェームス・アレジ, Jēmusu Areji) (born 11 August 1979 in Hamilton, New Zealand) is a Japanese international rugby union player. He plays primarily at fly-half.

Kazuki Himeno (姫野 和樹, Himeno Kazuki, born 27 July 1994) is a Japanese international rugby union player who plays as a Flanker, Lock. He currently plays for Sunwolves in Super Rugby and Toyota Verblitz in Japan's domestic Top League.

Kaito Shigeno (茂野海人, Shigeno Kaito, born 21 November 1990) is a Japanese international rugby union player who plays in the scrum-half position. He currently plays for the Sunwolves in Super Rugby and the NEC Green Rockets in Japan's domestic Top League.

Hiroshi Yamashita (born 1 January 1986) is a Japanese rugby union player. He was named in Japan's squad for the 2015 Rugby World Cup and Chiefs in Super Rugby from 2016.

Amanaki Lelei Mafi (born 11 January 1990) is a Tongan-born, Japanese professional rugby union player who currently plays as a number 8 for the Japanese Sunwolves, Japan national rugby union team and the Bath Rugby Union team for a short period of time.

Keita Inagaki (稲垣 啓太, Inagaki Keita, born 2 June 1990 in Niigata) is a Japanese rugby union player who plays as a prop. He was signed by the Sunwolves for the 2016 season of the international Super Rugby competition. He has also played for Australian team Melbourne Rebels and Top League side the Panasonic Wild Knights in his home country.