2007 Rugby World Cup squads Pool B Japan

| Player | Position_ | Date_of_Birth_Age | Caps | Club_province |
|---|---|---|---|---|
| Yuta Imamura | Centre | 31 October 1984 | 11 | Kobelco Steelers |
| Koji Taira | Centre | 12 January 1983 | 3 | Sungoliath |
| Bryce Robins | Centre | 19 September 1980 | 6 | Black Rams |
| Hirotoki Onozawa | Wing | 29 March 1978 | 35 | Sungoliath |
| Kosuke Endo | Wing | 11 November 1980 | 13 | Verblitz |
| Tomoki Kitagawa | Wing | 25 July 1983 | 2 | Wild Knights |
| Christian Loamanu | Wing | 13 May 1986 | 7 | Saitama |
| Go Aruga | Fullback | 13 November 1983 | 7 | Sungoliath |