Serbia in the Junior Eurovision Song Contest 2020

Serbia participated in the Junior Eurovision Song Contest 2020 in Warsaw, Poland. Radio Television of Serbia (RTS) selected Petar Aničić, who achieved 11th place with 85 points.

Background
Prior to the 2020 contest, Serbia had participated in the Junior Eurovision Song Contest eleven times since its debut in, and once as in , prior to the Montenegrin independence referendum in 2006 which culminated into the dissolution of Serbia and Montenegro, As of 2020, Serbia's best results are two third places, achieved in  and. In the contest, Serbia placed 10th with Darija Vračević and the song "Podigni glas".

Before Junior Eurovision
On 25 September 2020, RTS announced that Petar Aničić would represent Serbia in the contest with the song "Heartbeat".

At Junior Eurovision
After the opening ceremony, which took place on 23 November 2020, it was announced that Serbia will perform fourth on 29 November 2020, following the Netherlands and preceding Belarus.