| National Team | : | Slovakia U-20 |
| Association | : |  Slovenský futbalový zväz (SFZ) |
| Nickname(s) | : | Repre, Sokolíci (Little Falcons) |
| Confederation | : | UEFA |
| Sub-confederation | : | - |
| FIFA code | : | SVK |
| FIFA rank | : | 52 (15 June 2025) |
| Home stadium | : | Tehelné pole |
| Head coach | : |  Albert Rusnak |
Slovakia national U-20 football team
The following 21 players were named in the squad for the 2023 FIFA U-20 World Cup.
| No | Position | Player Name | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | GK | Samuel Belaník | 26-08-2003 (19) | Žilina | ||
| 12 | GK | Adam Hrdina | 12-02-2004 (19) | Slovan Bratislava | ||
| 21 | GK | Adam Danko | 27-06-2003 (19) | Pohronie | ||
| 2 | DF | Šimon Mičuda | 28-01-2004 (19) | Trenčín | ||
| 3 | DF | Samuel Bagín | 08-02-2004 (19) | Trenčín | ||
| 5 | DF | Dávid Ovšonka | 17-01-2004 (19) | Železiarne Podbrezová | ||
| 6 | DF | Sebastian Kóša | 13-09-2003 (19) | Spartak Trnava | ||
| 13 | DF | Marek Ujlaky | 03-12-2003 (19) | Spartak Trnava | ||
| 18 | DF | Nicolas Šikula | 15-05-2003 (20) | Železiarne Podbrezová | ||
| 19 | DF | Samuel Kopásek | 22-05-2003 (19) | Žilina | ||
| 4 | MF | Ján Murgaš | 27-03-2004 (19) |  Flyeralarm Traiskirchen | ||
| 7 | MF | Dominik Hollý | 11-11-2003 (19) | Trenčín | ||
| 8 | MF | Artur Gajdoš | 20-01-2004 (19) | Trenčín | ||
| 14 | MF | Máté Szolgai | 27-07-2003 (19) | Šamorín | ||
| 17 | MF | Dominik Šnajder | 22-07-2003 (19) | Žilina | ||
| 20 | MF | Mario Sauer | 15-05-2004 (19) | Žilina | ||
| 9 | FW | Adam Griger | 16-03-2004 (19) |  Cagliari | ||
| 10 | FW | Timotej Jambor | 04-04-2003 (20) | Žilina | ||
| 11 | FW | Adam Gaži | 01-03-2003 (20) | Tatran Liptovský Mikuláš | ||
| 15 | FW | Nino Marcelli | 29-05-2005 (17) | Slovan Bratislava | ||
| 16 | FW | Leo Sauer | 16-12-2005 (17) |  Feyenoord | ||