The Polish Basketball Cup is the annual top-tier level national domestic basketball cup competition for clubs in Poland. It is managed and organised by the Polish Basketball League (PLK). The competition was founded in 1933. Śląsk Wrocław has won the most titles, with 14 trophies.

Polska Liga Koszykówki (PLK) is a professional men's club basketball league in Poland. It constitutes the first and highest-tier level of the Polish league pyramid. The winning team of the final round are crowned the Polish Champions of that season. It began in 1947–48, with the name of I Liga, and was originally organized by the Polish Basketball Federation. The league changed to its current form, beginning with the 1997–98 season, after the Polska Liga Koszykówki SA, PLK SA took control over the league. In 2000–01 season the league turned professional.