2021 Polish Basketball Cup

The 2021 Suzuki Polish Basketball Cup (Puchar Polski 2021) was the 57th edition of Poland's national cup competition for men's basketball teams. It was managed by the Polish Basketball League (PLK) and was held in Lublin, in the Globus. Zastal Zielona Góra won its third Cup title in club history.

Qualified teams
The eight teams first qualified after the first half of the 2020–21 PLK season qualified to the tournament. The four highest-placed teams would play the lowest-seeded teams in the quarter-finals. Start Lublin qualified as host of the tournament, and gained automatic qualification.