| • 24/09/2020 Men's Under 17s: Squad selected for training camp in Opalenica (5 Oct - 13 Oct) |
| # | pos | name | club |
| G | Bartłomiej Maliszewski |  Jagiellonia Białystok |
|
| G | Oskar Mielcarz | Warta Sieradz |
|
| G | Oliwier Zych |  Aston Villa |
|
| D | Bartosz Brylowski | Lechia Gdańsk |
|
| D | Igor Drapiński | UKS SMS ŁódĽ |
|
| D | Jakub Kolan | Zagłębie Lubin |
|
| D | Ksawery Kukułka | Lech Poznań |
|
| D | Igor Martuszewski | Lechia Gdańsk |
|
| D | Miłosz Matysik | Jagiellonia Białystok |
|
| D | Radosław Sewery¶ | Korona Kielce |
|
| D | Kuba Wi¶niewski | ¦l±sk Wrocław |
|
| M | Krystian Borecki |  Anderlecht |
|
| M | Dawid Bugaj |  Molde |
|
| M | Kacper Duda | Wisła Kraków |
|
| M | Iwo Kaczmarski | Korona Kielce |
|
| M | Miłosz Kurowski | ¦l±sk Wrocław |
|
| M | Mateusz Lipp |  FC Schalke 04 |
|
| M | Marcel Ruszel |  Sockers FC |
|
| M | Piotr Starzyński | Wisla Kraków |
|
| M | Kacper Urbański | Lechia Gdańsk |
|
| F | Kacper Chełmecki | Wisła Kraków |
|
| F | Mateusz Jezierski | Raków Czestochowa |
|
| F | Wiktor Kamiński | Legia Warszawa |
|
| F | Jakub Lutostański | Jagiellonia Białystok |
|
| F | Norbert Pacławski | Lech Poznań |
|
| F | Tomasz Pieńko | Zagłębie Lubin |