You can find Polish HD football logos as PNG and 2500×2500 px. on this page
Arka Gdynia 
Gornik Zabrze 
Jagiellonia Bialystok 
Korona Kielce 
KS Cracovia 
Lech Poznan 
Lechia Gdansk 
Legia Warszawa 
Miedz Legnica 
Piast Gliwice 
Pogon Szczecin 
Slask Wroclaw 
Wisla Krakow 
Wisla Plock 
Zaglebie Lubin 
Zaglebie Sosnowiec