The 2021 Basketball League of Serbia playoffs are the play-off tournament that decides the winner of the 2020–21 Basketball League of Serbia season.

The playoffs is scheduled to start on 27 May and end on 13 June 2021.

[1][2] The quarterfinals are scheduled between 27 May–1 June 2021.

[3][4] Crvena zvezda played the 2021 ABA League Playoffs so their games were rescheduled.

[5]