The 2019–20 Polish Basketball League (PLK) season, the Energa Basket Liga for sponsorship reasons, was the 86th season of the Polish Basketball League, the highest professional basketball league in Poland. Anwil Włocławek were the defending champions. On 17 March 2020, the league was ended prematurely due to the coronavirus pandemic. Stelmet Enea Zielona Góra were named champions.