2019–20 Basketball League of Serbia

The 2019–20 Basketball League of Serbia (Кошаркашка лига Србије 2019–20.) is the 14th season of the Basketball League of Serbia, the highest professional basketball league in Serbia. Also, it's the 76th national championship played by Serbian clubs inclusive of nation's previous incarnations as Yugoslavia and Serbia & Montenegro.

The regular season began in October 2019 and ended in March 2020. The SuperLeague season was suspended prior to its start due to the COVID-19 pandemic. On 28 May 2020, the League Assembly canceled definitely the season due to the COVID-19 pandemic.

Crvena zvezda mts was the defending champion and as a consequence of the COVID-19 pandemic, the League Assembly decided not to recognize any team as the champion for the season. The SuperLeague season would have been played in April and May 2020. The playoffs would have been played in June 2020.

Distribution
The following is the access list for this season.

Promotion and relegation

 * Teams promoted from the Second League
 * Kolubara LA 2003
 * Napredak JKP


 * Teams relegated to the Second League
 * Beovuk 72
 * Spartak