| • 20/09/2019 Men's Under 21s: Squad selected for 2021 UEFA Under 21 Championship qualifiers against Russia and Serbia |
| # | pos | name | club |
| G | Marcin Bułka |  Paris Saint-Germain |
|
| G | Kamil Grabara |  Huddersfield Town |
|
| G |  Karol Niemczycki |
 Puszcza Niepołomice |
|
| D |  Jakub Bednarczyk |
 St Pauli |
|
| D | Karol Fila |
Lechia Gdańsk |
|
| D | Robert Gumny |
Lech Poznań |
|
| D | Kamil Pestka |
Cracovia Kraków |
|
| D | Jan Sobociński |
ŁKS Łódź |
|
| D | Sebastian Walukiewicz |  Cagliari |
|
| D | Przemysław Wiśniewski |
Górnik Zabrze |
|
| M | Maciej Ambrosiewicz |
Wisła Płock |
|
| M | Mateusz Bogusz | Leeds United |
|
| M | Patryk Dziczek | Salernitana |
|
| M | Kamil Jóźwiak |
Lech Poznań |
|
| M | Sylwester Lusiusz |
Cracovia Kraków |
|
| M | Jakub Moder |
Lech Poznań |
|
| M | Przemysław Płacheta |
Śląsk Wrocław |
|
| M | Daniel Ściślak |
Górnik Zabrze |
|
| M |  Kamil Wojtkowski |
Wisła Kraków |
|
| F | Bartosz Bida |
Jagiellonia Białystok |
|
| F | Patryk Klimala |
Jagiellonia Białystok |
|
| F | Marcin Listkowski |
Pogoń Szczecin |
|
| F | Patryk Szysz |
Zagłębie Lubin |
|
| F | Paweł Tomczyk |
Lech Poznań |
| Squad update: |
| • 08/10/2019 Men's Under 21s: Kamil Wojtkowski has been has been removed from the squad due to back injury |
| • 01/10/2019 Men's Under 21s: Jakub Bednarczyk has been assigned to the Men's Under 20s squad for Elite League matches against Germany and Netherlands |
| • 01/10/2019 Men's Under 21s: Players from Polish clubs have been added to the squad for 2021 UEFA Under 21 Championship qualifiers against Russia and Serbia |