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Squad of Japan for World Cup U-20 2023
| # | | | | Player | | Height | |
Age | | | Position |
Team |
| | 1 | |
| |
Kimura, Ryoya
| | | | 19 | | | GK | |
| 21 | |
| |
Haruna, R
| | 1.82 | | 19 | | | GK |  Mito |
| 12 | |
| |
Kanoshima
| | 1.83 | | 20 | | | GK | |
| | 13 | |
| |
Chase, A
| | 1.87 | | 19 | | | DF Centre-back | |
| 19 | |
| |
Takai, K
| | 1.92 | | 18 | | | DF Centre-back | Kawasaki |
| 3 | |
| |
Tanaka, Hayato
| | 1.88 | | 19 | | | DF Centre-back | Kashiwa |
| 4 | |
| |
Kikuchi, S
| | 1.81 | | 19 | | | DF Centre-back | Shimizu |
| 2 | |
| |
Matsuda, H
| | 1.71 | | 19 | | | DF Left-back | Mito |
| 16 | |
| |
Takahashi, N
| | | | 17 | | | DF Left-back | |
| 15 | |
| |
Yashiki
| | 1.65 | | 19 | | | DF Right-back/Right-midfield | Oita |
| | 14 | |
| |
Einaga
| | 1.68 | | 20 | | | MF | Kawasaki |
| 17 | |
| |
Matsumura, K
| | | | 19 | | | MF | |
| 7 | |
 | |
Matsuki
| | 1.78 | | 20 | | | MF Box-to-Box midfielder | FC Tokyo |
| 8 | |
| |
Sano, K
| | 1.76 | | 19 | | | MF Box-to-Box midfielder/Left-midfield | Okayama |
| 6 | |
 | |
Fukui, T
| | 1.72 | | 18 | | | MF Box-to-Box midfielder |  Bayern II |
| 5 | |
 | |
Yamane, R
| | 1.73 | | 19 | | | MF Defensive midfielder | YokohamaM |
| 20 | |
| |
Abe, Taisei
| | 1.70 | | 18 | | | MF Defensive midfielder/Left-back | Nagasaki |
| | 10 | |
| |
Kitano, Sota
| | 1.72 | | 18 | | | FW | C Osaka |
| 11 | |
| |
Sakamoto, I
| | 1.73 | | 19 | | | FW Striker | Okayama |
| 18 | |
| |
Kumata, N
| | 1.81 | | 18 | | | FW Striker | FC Tokyo |
| 9 | |
| |
Fukuda, Shio
| | 1.78 | | 19 | | | FW Striker | Gladbach2 |
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