| • 20/09/2019 Men's Under 17s: Squad selected for 2020 UEFA Under 17 Championship Qualifying Round |
| # | pos | name | club |
| 1 | G | Krzysztof B±kowski |  Lech Poznań |
| - | G |  Jakub Kowynia |
Legia Warszawa |
| 12 | G | Jakub Ojrzyński |  Liverpool |
| 5 | D | Filip Balcewicz | Pogoń Szczecin |
| 13 | D | Filip Borowski |
Lech Poznań |
| - | D |  Daniel Hoyo-Kowalski |
Wisła Kraków |
| 3 | D | Jakub Malec | Zagłębie Lubin |
| 17 | D | Bartosz Matuła | Zagłębie Lubin |
| 14 | D | Igor Maruszak |
¦l±sk Wrocław |
| 4 | D | Ariel Mosór | Legia Warszawa |
| 2 | D | Jerzy Tomal | Lech Poznań |
| 11 | M | Radosław Cielemęcki | Legia Warszawa |
| 18 | M | Patryk Gogół |
Lech Poznań |
| 16 | M | Jakub Kisiel | Polonia Warszawa |
| 10 | M | Kacper Kozłowski | Pogoń Szczecin |
| 7 | M | Patryk Kusztal | Zagłębie Lubin |
| 15 | M | Jakub Kwiatkowski | Legia Warszawa |
| 6 | M | Mateusz Łęgowski |  València |
| - | M | Kacper Smorgol |  RB Leipzig |
| - | F | Aleksander Buksa |
Wisła Kraków |
| 8 | F | Fryderyk Gerbowski | Escola Varsovia Warszawa |
| - | F | Hubert Turski |
Pogoń Szczecin |
| 19 | F | Dominick Wasilewski |
Borussia Dortmund |
| 20 | F | Szymon Włodarczyk | Legia Warszawa |
| 9 | F | Marcel Żurek | Zagłębie Lubin |
| Squad update: |
| • 09/10/2019 Men's Under 17s: Hubert Turski has been removed from the squad due to injury |
| • 04/10/2019 Men's Under 17s: Jakub Kowynia, Igor Maruszak and Dominick Wasilewski have been added to the squad for 2020 UEFA Under 17 Championship Qualifying Round |
| • 04/10/2019 Men's Under 17s: Filip Borowski and Patryk Gogół have repalced injured Aleksander Buksa and Daniel Hoyo-Kowalski in the squad for 2020 UEFA Under 17 Championship Qualifying Round |