| • 01/03/2019 Men's Under 21s: Squad selected for friendlies against England and Serbia |
| # | pos | name | club |
| G | Bartłomiej Drągowski |  Empoli |
|
| G | Kamil Grabara |  Århus |
|
| G |  Tomasz Loska |
 Górnik Zabrze |
|
| D | Krystian Bielik |  Charlton Athletic |
|
| D | Karol Fila |
Lechia Gdańsk |
|
| D | Robert Gumny |
Lech Poznań |
|
| D | Dominik Jończy |
Podbeskidzie Bielsko-Biała |
|
| D | Kamil Pestka |
Chrobry Głogów |
|
| D | Paweł Stolarski |
Legia Warszawa |
|
| D | Mateusz Wieteska |
Legia Warszawa |
|
| M | Patryk Dziczek | Piast Gliwice |
|
| M | Damian Gąska |
Śląsk Wrocław |
|
| M | Filip Jagiełło |
Zagłębie Lubin |
|
| M | Kamil Jóźwiak |
Lech Poznań |
|
| M | Bartosz Kapustka |  OH Leuven |
|
| M | Jakub Łabojko |
Śląsk Wrocław |
|
| M | Konrad Michalak |
Lechia Gdańsk |
|
| M | Jakub Piotrowski | Genk |
|
| M | Sebastian Szymański |
Legia Warszawa |
|
| M | Karol Świderski |  PAÓK |
|
| M | Mateusz Wdowiak |
Cracovia Kraków |
|
| M | Szymon Żurkowski |
Górnik Zabrze |
|
| F | Adam Buksa |
Pogoń Szczecin |
|
| F | Patryk Klimala |
Jagiellonia Białystok |
|
| F |  Dawid Kownacki |
 Fortuna Düsseldorf |
|
| F | Paweł Tomczyk |
Piast Gliwice |
|
| F | Oskar Zawada |
Wisła Płock |
| Squad update: |
| • 25/03/2019 Men's Under 21s: Robert Gumny and Szymon Żurkowski have been added to the squad for friendlies against England and Serbia |
| • 12/03/2019 Men's Under 21s: Players from Polish clubs have been added to the squad for friendlies against England and Serbia |
| • 11/03/2019 Men's Under 21s: Dawid Kownacki has been moved to the Men's Senior squad for UEFA EURO 2020 qualifiers against Austria and Latvia |