31 August,2017
Japan Under-20 Squad for the 2017 World Rugby Under-20 Trophy
| Name | University/High School | DOB | Age | Hgt/Wgt |
|---|---|---|---|---|
| Kojiro ARITO | Chuo University | 24/03/1998 | 19 | 173/102 |
| AHN Chang-Ho | Meiji University | 20/11/1997 | 19 | 177/108 |
| Shimpei KAMATA | University of Tsukuba | 07/09/1997 | 19 | 180/103 |
| Miyu ARAI | Tokai University | 15/02/1998 | 19 | 173/87 |
| Hinata TAKEI | Meiji University | 17/06/1997 | 19 | 170/96 |
| Kan NAKANO | Tokai University | 29/09/1997 | 19 | 178/106 |
| Taiki FUJII | Daito Bunka University | 04/01/1998 | 19 | 184/122 |
| Shohei ITO | Kyoto Sangyo University | 01/05/1997 | 20 | 188/93 |
| Naoaki HORIBE | Doshisha University | 17/04/1997 | 20 | 190/88 |
| Riki SUGIHARA | Kwansei University | 09/11/1997 | 19 | 183/104 |
| Ryuga HASHIMOTO | Meiji University | 23/11/1998 | 19 | 188/109 |
| Faulua MAKISI (611) | Tenri University | 20/01/1997 | 20 | 185/107 |
| Ryo KAYUTSUKA | Ryutsu Keizai University | 30/07/1997 | 20 | 185/91 |
| Takeshi SASAKI | Daito Bunka University | 17/04/1997 | 20 | 180/89 |
| Shinko TSUCHIYA | University of Tsukuba | 19/03/1998 | 19 | 186/94 |
| Feinga FAKAI | Kyoto Sangyo University | 06/07/1997 | 20 | 180/105 |
| Kenji HARADA | Doshisha University | 29/10/1997 | 19 | 170/78 |
| Takumi SUE | Teikyo University | 08/03/1998 | 19 | 164/68 |
| Tomoki KISHIOKA | Waseda University | 22/09/1997 | 19 | 173/84 |
| Taichi MANO (c) | Tokai University | 01/06/1997 | 20 | 171/83 |
| Yoshiyuki KOGA | Waseda University | 28/08/1998 | 19 | 176/80 |
| Shota FUKUI | Higashi Fukuoka HS | 28/09/1999 | 17 | 185/90 |
| Yuki YAMAMOTO | Doshisha University | 25/03/1998 | 19 | 177/80 |
| Kazufumi YAMASUGA | Tokai University | 03/12/1997 | 19 | 164/80 |
| Yudai YAMAMOTO | Kwansei University | 26/05/1997 | 19 | 176/86 |
| Kosuke NAKA | Kwansei University | 06/05/1998 | 19 | 177/81 |
| Yuto MATSUOKA | University of Tsukuba | 22/02/1998 | 19 | 183/86 |
| Kyohei YAMASAWA | Meiji University | 17/08/1998 | 19 | 176/75 |
Head Coach: Satoru Endo (JRFU).