| • 01/08/2023 Men's Under 18s: Squad selected for training camp in Siedlce (13 Aug - 16 Aug) |
| # | pos | name | club |
| G | Axel Holewiński |  Pogoń Szczecin |
|
| G |  Robin Lisewski |
 Borussia Dortmund |
|
| G | Miłosz Piekutowski | Jagiellonia Białystok |
|
| G |  Jakub Stępak |
Wisła Kraków |
|
| D | Nico Adamczyk |
Borussia Dortmund |
|
| D | Piotr Kowalik | Sandecja Nowy Sącz |
|
| D | Jakub Krzyżanowski | Wisła Kraków |
|
| D | Krzysztof Kurowski | Śląsk Wrocław |
|
| D | Jan Łabędzki | ŁKS Łódź |
|
| D | Patryk Olejnik | Lech Poznań |
|
| D | Igor Orlikowski | Zagłębie Lubin |
|
| D | Dominik Szala | Górnik Zabrze |
|
| M | Karol Borys | Śląsk Wrocław |
|
| M | Krzysztof Kolanko | Górnik Zabrze |
|
| M | Kornel Lisman | Lech Poznań |
|
| M | Szymon Łyczko | Stal Rzeszów |
|
| M | Adam Pieniądz | Wisła Kraków |
|
| M | Bartosz Pioterczak |
Stal Stalowa Wola |
|
| M | Filip Rejczyk | Legia Warszawa |
|
| M | Filip Rózga | Cracovia Kraków |
|
| M | Maximilian Sznaucner |  PAÓK |
|
| M | Filip Wolski | Lech Poznań |
|
| F | Dominik Gregorski |
Zagłębie Lubin |
|
| F | Mike Huras | VfB Stuttgart |
|
| F | Daniel Mikołajewski |
 Parma |
|
| F | Marcel Reguła |
Zagłębie Lubin |
|
| F | Mateusz Skoczylas |
Zagłębie Lubin |
|
| F | Oskar Tomczyk | Lech Poznań |
| Squad update: |
| • 10/08/2023 Men's Under 18s: Dominik Gregorski, Bartosz Pioterczak, Marcel Reguła and Jakub Stępak have been added to the squad for training camp in Siedlce (13 Aug - 16 Aug) |
| • 10/08/2023 Men's Under 18s: Nico Adamczyk, Robin Lisewski, Daniel Mikołajewski and Mateusz Skoczylas have been released from the squad for training camp in Siedlce (13 Aug - 16 Aug) |