| • 17/09/2021 Men's Under 21s: Squad selected for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino |
| # | pos | name | club |
| G |  Filip Majchrowicz |
 Radomiak Radom |
|
| G | Cezary Miszta |
Legia Warszawa |
|
| G | Kacper Trelowski |
Raków Częstochowa |
|
| D | Łukasz Bejger |
Śląsk Wrocław |
|
| D | Konrad Gruszkowski |
Wisła Kraków |
|
| D | Michał Karbownik |  Olympiakós |
|
| D | Jakub Kiwior |  AC Spezia |
|
| D | Kamil Kruk |
Zagłębie Lubin |
|
| D | Maik Nawrocki |
Legia Warszawa |
|
| D |  Kamil Piątkowski |
 Red Bull Salzburg |
|
| D | Kryspin Szcześniak |
Górnik Łęczna |
|
| D | Sebastian Walukiewicz |
Cagliari |
|
| M | Mateusz Bogusz |  UD Ibiza |
|
| M | Szymon Czyż |
Warta Poznań |
|
| M | Jakub Kamiński |
Lech Poznań |
|
| M | Krzysztof Kubica |
Górnik Zabrze |
|
| M | Filip Marchwiński |
Lech Poznań |
|
| M | Mateusz Młyński |
Wisła Kraków |
|
| M | Łukasz Poręba |
Zagłębie Lubin |
|
| M | Michał Skóraś |
Lech Poznań |
|
| M | Kacper Smoliński |
Pogoń Szczecin |
|
| M | Daniel Szelągowski |
Raków Częstochowa |
|
| M | Marcel Wędrychowski |
Górnik Łęczna |
|
| M | Maciej Żurawski |
Pogoń Szczecin |
|
| F | Adrian Benedyczak | Parma |
|
| F | Dennis Jastrzembski |
 Hertha Berlin |
|
| F | Filip Szymczak |
GKS Katowice |
| Squad update: |
| • 05/10/2021 Men's Under 21s: Dennis Jastrzembski and Sebastian Walukiewicz have been removed from the squad due to injuries |
| • 05/10/2021 Men's Under 21s: Filip Szymczak has been added to the squad for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino |
| • 28/09/2021 Men's Under 21s: Maciej Żurawski has replaced injured Kacper Smoliński in the squad for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino |
| • 24/09/2021 Men's Under 21s: Players from Polish clubs have been added to the squad for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino |
| • 24/09/2021 Men's Under 21s: Dennis Jastrzembski has been added to the squad for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino |
| • 24/09/2021 Men's Under 21s: Kamil Piątkowski has been removed from the squad for 2023 UEFA Under 21 Championship qualifiers against Hungary and San Marino due to ankle injury |
| PRE-MATCH FEATURES: |
| Squad-In-Numbers |
| Pre-Match Guide [Hungary - Poland] |
| Pre-Match Guide [Poland - San Marino] |