| • 03/06/2023 Men's Under 19s: Squad selected for training camp in Opalenica (19 Jun - 23 Jun) |
| # | pos | name | club |
| G | Sławomir Abramowicz |  Jagiellonia Białystok |
|
| G | Aleksander Bobek | ŁKS Łódź |
|
| G | Oliwier Zych |  Aston Villa |
|
| D | Igor Drapiński | Wisła Płock |
|
| D | Wiktor Matyjewicz |  Hellas Verona |
|
| D | Miłosz Matysik | Jagiellonia Białystok |
|
| D | Levis Pitan | Sheffield United |
|
| D |  Kacper Przybyłko |
Wisła Kraków |
|
| D | Wiktor Smoliński | KKS Kalisz |
|
| D | Albert Zarówny | Chrobry Głogów |
|
| M | Jakub Antczak | Lech Poznan |
|
| M | Miłosz Brzozowski |  Hansa Rostock |
|
| M | Dawid Bugaj | SPAL |
|
| M | Dawid Drachal | Miedź Legnica |
|
| M | David Hyjek |
Górnik Zabrze |
|
| M | Iwo Kaczmarski | Empoli |
|
| M | Mateusz Kowalczyk | ŁKS Łódź |
|
| M | Mateusz Kowalski | Parma |
|
| M | Antoni Kozubal | GKS Katowice |
|
| M | Jakub Lewicki | Jagiellonia Białystok |
|
| M | Junior Nsangou | Blackburn Rovers |
|
| M | Maximillian Oyedele | Altrincham |
|
| M | Igor Strzałek | Legia Warszawa |
|
| M | Kacper Urbański | Bologna |
|
| F | Dominik Biniek | Blackburn Rovers |
|
| F | Jordan Majchrzak | AS Roma |
|
| F | Tomasz Pieńko | Zagłębie Lubin |
| Squad update: |
| • 20/06/2023 Men's Under 19s: Kacper Przybyłko has been added to the squad for training camp in Opalenica (19 Jun - 23 Jun) |
| • 19/06/2023 Men's Under 19s: David Hyjek has been added to the squad for training camp in Opalenica (19 Jun - 23 Jun) |