| National Team | : | South Korea U-20 |
| Association | : |  Korea Football Association (KFA) |
| Nickname(s) | : | Taegeuk Warriors, The Red Devils, Tiger of Asia |
| Confederation | : | AFC |
| Sub-confederation | : | EAFF |
| FIFA code | : | KOR |
| FIFA rank | : | 23 (3 April 2025) |
| Home stadium | : | Various |
| Head coach | : | Kim Eun-jung |
South Korea national U-20 football team
The following players were named in the squad for the 2025 AFC U-20 Asian Cup, to be played in 12 February 2025.
| No | Position | Player Name | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | GK | Park Sang-young | 17-09-2005 (19) | Daegu FC | ||
| 21 | GK | Kim Min-soo | 08-07-2005 (19) | Daejeon Hana Citizen | ||
| 23 | GK | Gong Si-hyeon | 23-02-2005 (19) | Jeonbuk Hyundai Motors | ||
| 2 | DF | Bae Hyun-seo | 16-02-2005 (19) | FC Seoul | ||
| 3 | DF | Shim Yeon-won | 02-08-2005 (19) | Daegu FC | ||
| 5 | DF | Kang Min-woo | 02-03-2006 (18) | Ulsan HD | ||
| 15 | DF | Lee Geon-hee | 11-03-2005 (19) | Suwon Samsung Bluewings | ||
| 16 | DF | Kim Seo-jin | 07-01-2005 (20) | Cheonan City | ||
| 19 | DF | Kim Hyun-woo | 27-07-2006 (18) | Seoul E-Land FC | ||
| 20 | DF | Shin Min-ha | 15-09-2005 (19) | Gangwon FC | ||
| 6 | MF | Kim Ho-jin | 29-09-2005 (19) | Yong In University | ||
| 7 | MF | Son Seung-min | 09-05-2005 (19) | Daegu FC | ||
| 8 | MF | Sung Shin | 13-01-2005 (20) | Bucheon FC 1995 | ||
| 11 | MF | Kang Ju-hyeok | 27-08-2006 (18) | FC Seoul | ||
| 12 | MF | Park Seung-soo | 17-03-2007 (17) | Suwon Samsung Bluewings | ||
| 13 | MF | Lee Chang-woo | 12-03-2006 (18) | Pohang Steelers | ||
| 14 | MF | Baek Ming-yu | 20-11-2005 (19) | Incheon United | ||
| 17 | MF | Jin Tae-ho | 20-01-2006 (19) | Jeonbuk Hyundai Motors | ||
| 18 | MF | An Chi-woo | 23-10-2005 (19) | Busan Transportation Corporation | ||
| 22 | MF | Yoon Do-young | 28-10-2006 (18) | Daejeon Hana Citizen | ||
| 4 | FW | Cho Hyeo-nu | 01-01-2005 (20) | Daejeon Hana Citizen | ||
| 9 | FW | Ha Jeong-woo | 08-11-2005 (19) | Seongnam FC | ||
| 10 | FW | Kim Tae-won | 11-03-2005 (19) |  Portimonense | ||