| • 16/08/2019 Men's Under 17s: Squad selected for XXXIV Syrenka Cup 2019 |
| # | pos | name | club |
| 1 | G | Krzysztof B±kowski |  Lech Poznań |
| 12 | G | Nikodem Sujecki | Pogoń Szczecin |
| 5 | D | Filip Balcewicz | Pogoń Szczecin |
| 13 | D | Filip Borowski | Lech Poznań |
| 14 | D |  Daniel Hoyo-Kowalski |
Wisła Kraków |
| 3 | D | Jakub Malec | Zagłębie Lubin |
| 18 | D | Igor Maruszak |
¦l±sk Wrocław |
| 4 | D | Ariel Mosór | Legia Warszawa |
| 2 | D | Jerzy Tomal | Lech Poznań |
| - | M |  Bartosz Baranowicz |
Rozwój Katowice |
| 11 | M | Radosław Cielemęcki | Legia Warszawa |
| 21 | M | Patryk Gogół |
Lech Poznań |
| 16 | M | Jakub Kisiel | Polonia Warszawa |
| 8 | M | Kacper Kozłowski | Pogoń Szczecin |
| 7 | M | Patryk Kusztal | Zagłębie Lubin |
| 15 | M | Jakub Kwiatkowski |
Legia Warszawa |
| 6 | M | Mateusz Łęgowski |  València |
| 10 | M | Kacper Smorgol |  RB Leipzig |
| 9 | F | Aleksander Buksa | Wisła Kraków |
| 17 | F | Mateusz Musiałowski | UKS SMS ŁódĽ |
| - | F | Hubert Turski |
Pogoń Szczecin |
| 19 | F | Dominick Wasilewski | Borussia Dortmund |
| 20 | F | Szymon Włodarczyk | Legia Warszawa |
| 23 | F | Marcel Żurek | Zagłębie Lubin |
| Squad update: |
| • 04/09/2019 Men's Under 17s: Jakub Kwiatkowski has replaced injured Bartosz Baranowicz in the squad for XXXIV Syrenka Cup 2019 |
| • 03/09/2019 Men's Under 17s: Patryk Gogół has been added to the squad for XXXIV Syrenka Cup 2019 |
| • 29/08/2019 Men's Under 17s: Daniel Hoyo-Kowalski, Igor Maruszak and Hubert Turski have been added to the squad for XXXIV Syrenka Cup 2019 |