| • 29/10/2018 Men's Under 21s: Squad selected for 2019 UEFA Under 21 Championship Play-Offs against Portugal |
| # | pos | name | club |
| G |  Bartłomiej Drągowski |
 Fiorentina |
|
| G | Kamil Grabara |  Liverpool |
|
| G |  Tomasz Loska |
 Górnik Zabrze |
|
| G | Jakub Wrąbel |
Śląsk Wrocław |
|
| D | Jakub Bartosz |
Wisła Kraków |
|
| D | Krystian Bielik | Charlton Athletic |
|
| D | Paweł Bochniewicz |
Górnik Zabrze |
|
| D | Robert Gumny |
Lech Poznań |
|
| D | Dominik Jończy |
Podbeskidzie Bielsko-Biała |
|
| D | Kamil Pestka |
Cracovia Kraków |
|
| D | Paweł Stolarski |
Legia Warszawa |
|
| D | Mateusz Wieteska |
Legia Warszawa |
|
| M | Maciej Ambrosiewicz |
Górnik Zabrze |
|
| M | Patryk Dziczek |
Piast Gliwice |
|
| M | Filip Jagiełło |
Zagłębie Lubin |
|
| M | Kamil Jóźwiak |
Lech Poznań |
|
| M | Bartosz Kapustka |  OH Leuven |
|
| M | Konrad Michalak |
Lechia Gdańsk |
|
| M | Jakub Piotrowski | Genk |
|
| M | Sebastian Szymański |
Legia Warszawa |
|
| M | Karol Świderski |
Jagiellonia Białystok |
|
| M | Szymon Żurkowski |
Górnik Zabrze |
|
| F | Dawid Kownacki | Sampdoria |
|
| F | Paweł Tomczyk |
Lech Poznań |
|
| F | Oskar Zawada |
Wisła Płock |
| Squad update: |
| • 18/11/2018 Men's Under 21s: Paweł Bochniewicz and Paweł Stolarski have been removed from the squad for 2019 UEFA Under 21 Championship Play-Offs against Portugal due to injuries |
| • 13/11/2018 Men's Under 21s: Jakub Wrąbel has replaced injured Bartłomiej Drągowski in the squad for 2019 UEFA Under 21 Championship Play-Offs against Portugal |
| • 06/11/2018 Men's Under 21s: Players from Polish clubs have been added to the squad for 2019 UEFA Under 21 Championship Play-Offs against Portugal |