Polska Liga Koszykówki (PLK) (English: Polish Basketball League) 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 (the Polish Basketball League Joint-stock company) took control over the league (the PLK SA was created in 1995). In 2000–01 season the league turned professional.

The PLK, which is played under FIBA rules, currently consists of 16 teams. A PLK season is split into a league stage and a playoffs stage (since 1984–85 season). At the end of the league stage, the top eight teams qualify for the playoff stage.

The competition Polish basketball men's championships has existed since the year 1928. Śląsk Wrocław is the record holder for most titles, with 18.

Śląsk Wrocław are defending champions.

Polen - PLK

De Polen - PLK is een professionele basketbalcompetitie in Polen. Het werd opgericht in 1928 en is een van de oudste professionele basketbalcompetities ter wereld. De PLK bestaat uit 16 teams die in een reguliere competitie tegen elkaar spelen, gevolgd door play-offs om de kampioen te bepalen. De huidige kampioen is Śląsk Wrocław.

De PLK is een van de sterkste basketbalcompetities in Europa, met tal van getalenteerde spelers en teams. Enkele van de meest bekende spelers die in de PLK hebben gespeeld zijn Maciej Lampe, Marcin Gortat en Jeremy Sochan.

De PLK is een spannende en competitieve competitie die veel entertainment biedt aan fans in Polen en daarbuiten.