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Squad of South Korea for World Cup U-20 2023
| # | | | | Player | | Height | |
Age | | | Position |
Team |
| | 1 | |
| |
Kim, Joon-hong
| | 1.90 | | 19 | | | GK |  Sangmu |
| 21 | |
| |
Moon, HH
| | | | 20 | | | GK | Asan |
| 12 | |
| |
Jung-Hoon Kim, (2004)
| | | | 18 | | | GK | |
| | 15 | |
| |
Cho, YK
| | | | 19 | | | DF | |
| 13 | |
| |
Choi, Yh
| | | | 19 | | | DF | Busan |
| 3 | |
| |
Hwang, IT
| | 1.85 | | 20 | | | DF Centre-back/Left-back | Seoul EL |
| 20 | |
| |
Kim Ji-soo
| | 1.92 | | 18 | | | DF Centre-back | Seongnam |
| 4 | |
| |
Choi, SH
| | 1.78 | | 20 | | | DF Centre-back | |
| 19 | |
| |
Bae, SJ
| | 1.73 | | 19 | | | DF Left-back | Daejeon |
| 2 | |
| |
Park, Chang-woo
| | 1.78 | | 20 | | | DF Either side back | Jeonbuk |
| | 6 | |
| |
Park, Hyun-bin
| | 1.77 | | 20 | | | MF | Incheon |
| 16 | |
| |
Lee, Sj
| | | | 18 | | | MF | FC Seoul |
| 14 | |
| |
Kang, SY
| | 1.71 | | 18 | | | MF Box-to-Box midfielder | Jeonbuk |
| 8 | |
| |
Lee, SW
| | 1.74 | | 20 | | | MF Box-to-Box midfielder | Gangwon |
| 5 | |
| |
Lee, Cw
| | 1.86 | | 20 | | | MF Defensive midfielder/Centre-back | Gyeongnam |
| 10 | |
 | |
Bae, Jun-ho
| | 1.80 | | 19 | | | MF Either side midfield/Attacking midfielder | Daejeon |
| | 17 | |
| |
Lee, Ji-han
| | 1.80 | | 20 | | | FW |  Freiburg2 |
| 18 | |
 | |
Park, Sh
| | | | 19 | | | FW | Incheon |
| 7 | |
| |
Kim, YH
| | 1.72 | | 20 | | | FW Right-wing |  Portimnse |
| 11 | |
| |
Kang, Seong-jin
| | 1.80 | | 20 | | | FW Right-wing | FC Seoul |
| 9 | |
| |
Lee, Young-jun
| | 1.90 | | 19 | | | FW Striker | Suwon |
| Coach | | From Dec-21 | To Dec-23 | | Kim, EJ ( U-20 ) |
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