| • 20/01/2020 Men's Under 15s: Squad selected for training camp in Siedlce (2 Feb - 6 Feb) |
| # | pos | name | club |
| G | Bartłomiej Kałduński |  UKS Lotos Gdańsk |
|
| G | Oskar Klon | Chemik Bydgoszcz |
|
| G | Kajetan Wojtasiak | Pogoń Szczecin |
|
| D | Michał Głogowski | Wisła Kraków |
|
| D | Marcin Górkiewicz | Wisła Kraków |
|
| D | Kamil Mazur | Motor Lublin |
|
| D | Kacper Pasiek |  Preston North End |
|
| D | Kacper Przybyłko | Wisła Kraków |
|
| D | Miłosz Skowronek | Jagiellonia Białystok |
|
| D | Dawid Zabielski | Jagiellonia Białystok |
|
| M | Bartosz Bernatowicz | Jagiellonia Białystok |
|
| M | Dawid Drachal | Escola Varsovia Warszawa |
|
| M | Wiktor Gromek | Leicester City |
|
| M |  Piotr Jarnicki |
Polonia Warszawa |
|
| M | Jakub Madej | Wisła Kraków |
|
| M | Mateusz Młodzianowski |  Malahide United |
|
| M | Mikołaj Nasalski | Motor Lublin |
|
| M | Anthony Osiecimski | Greystones United |
|
| M | Wojciech Urbański | Wisła Kraków |
|
| M | Bartosz Zimnicki | Wisła Kraków |
|
| F | Wiktor Bryks | Jagiellonia Białystok |
|
| F | Maciej Jaroszuk | Jagiellonia Białystok |
|
| F | Oliver Pilarek |  Austria Vienna |
|
| F | Piotr Piwowarski | Coventry City |
|
| Wojciech Bielec | Rozwój Katowice |
| Squad update: |
| • 03/02/2020 Men's Under 15s: Piotr Jarnicki has been added to the squad for training camp in Siedlce (2 Feb - 6 Feb) |