The 2020–21 Basketball League of Serbia (Serbian Cyrillic: Кошаркашка лига Србије 2020–21.)

The Basketball Federation of Serbia ruled that the 13 teams from the previous season will stay in the league and the three highest-placed clubs from Second League will be promoted.

The first-placed team from the previous season, Borac, joins the ABA League.

[4] A total of 21 teams participated in the 2020–21 Basketball League of Serbia.

[5] The Super League was canceled and the qualified teams were played in the Playoffs.