The 2009–10 Polish Cup was the fifty-sixth season of the annual Polish cup competition. It began on July 29, 2009 with the extra preliminary round and ended on May 21, 2010 with the final, played at neutral venue.[1] The winners qualified for the third qualifying round of the UEFA Europa League. Lech Poznań were the defending champions.
The twelve winners of the preliminary round, along with Nielba Wągrowiec and Hetman Zamość and the eighteen teams from 2008–09 I Liga competed in this round.
Okocimski KS Brzesko was drawn automatically to the second round.
The eight winners of Round 3 competed in this round.
The Quarterfinals were played in two legs. The first legs were played on 16 & 17 March 2010, while the second legs took place one week later on 23 & 24 March 2010.