| • 01/06/2021 Men's Senior: Squad selected for UEFA EURO 2020 |
| # | pos | name | club |
| 22 | G | Łukasz Fabiański |  West Ham United |
| 12 | G | Łukasz Skorupski |  Bologna |
| 1 | G | Wojciech Szczęsny | Juventus |
| 5 | D | Jan Bednarek | Southampton |
| 18 | D | Bartosz Bereszyński | Sampdoria |
| 3 | D | Paweł Dawidowicz | Hellas Verona |
| 15 | D | Kamil Glik | Benevento |
| 25 | D | Michał Helik | Barnsley |
| 4 | D | Tomasz Kędziora |  Dynamo Kyiv |
| 2 | D | Kamil Piątkowski |  Raków Częstochowa |
| 26 | D | Tymoteusz Puchacz | Lech Poznań |
| 13 | D | Maciej Rybus |  Lokomotiv Moscow |
| 19 | M | Przemysław Frankowski |  Chicago Fire |
| 21 | M | Kamil Jóźwiak | Derby County |
| 14 | M | Mateusz Klich | Leeds United |
| 6 | M | Kacper Kozłowski | Pogoń Szczecin |
| 10 | M |  Grzegorz Krychowiak |
Lokomotiv Moscow |
| 8 | M | Karol Linetty | Torino |
| 16 | M | Jakub Moder | Brighton & Hove Albion |
| 17 | M | Przemysław Płacheta | Norwich City |
| 20 | M | Piotr Zieliński | Napoli |
| 23 | F | Dawid Kownacki |  Fortuna Düsseldorf |
| 9 | F | Robert Lewandowski | Bayern Munich |
| 7 | F |  Arkadiusz Milik |
 Marseille |
| 11 | F | Karol Świderski |  PAÓK |
| 24 | F | Jakub Świerczok | Piast Gliwice |
| Squad update: |
| • 14/06/2021 Men's Senior: Grzegorz Krychowiak has been suspended for a match against Spain |
| • 07/06/2021 Men's Senior: Arkadiusz Milik has been removed from the squad due to knee injury |