2021–22 Basketball League of Serbia

The 2021–22 Admiral Bet Basketball League of Serbia (Кошаркашка лига Србије 2021–22.) was the 16th season of the Basketball League of Serbia, the top-tier professional basketball league in Serbia. Also, it is the 78th national championship played by Serbian clubs inclusive of the nation's previous incarnations as Yugoslavia and Serbia & Montenegro.

Teams
A total of 21 teams participated in the 2021–22 Basketball League of Serbia as confirmed by the Basketball Federation of Serbia on 30 June 2021. Crvena zvezda mts was the defending champion.

Distribution
The following is the access list for this season.

Promotion and relegation

 * Teams promoted from the Second League
 * Zdravlje Leskovac
 * Slodes SoccerBet


 * Teams relegated to the Second League
 * Napredak JKP
 * Pirot

First League
The 2021–22 First League season started on 2 October 2021.

SuperLeague
The Playoffs are the second stage of the 2021–22 Serbian League season. The Super League was canceled due to ABA League schedule conflict and the qualified teams will play in the Playoffs.

On 9 June 2022, Partizan announced withdrawal from the 2022 Serbian League playoffs following numerous incidents in the 2022 ABA League Finals.

SuperLeague Playoffs
Teams involved: 
 * 2 lowest-placed Serbian teams from the Adriatic League: Borac, Mega Mozzart
 * 6 highest-placed teams from the First League: Zlatibor, Sloga, Vojvodina, Mladost MaxBet, Dynamic VIP PAY, Sloboda

SuperLeague Final Four
Teams involved: 
 * 3 highest-placed Serbian teams from the First ABA League: Crvena zvezda mts, Partizan NIS (withdraw), FMP Meridian
 * winner of the SuperLeague Playoffs: Mega Mozzart