2021–22 Junior ABA League

The 2021–22 Junior ABA League is the fifth season of the Junior ABA League with twelve men's under-19 teams from Bosnia and Herzegovina, Croatia, Montenegro, Serbia, and Slovenia. Teams were youth system rosters of the 2021–22 ABA League First Division teams.

Mega Mozzart U19 won its third Junior ABA League title defeating SC Derby U19 in the final. Forward Andrija Grbović was named the Junior ABA League MVP award.

Group A
Venue: Bar, Montenegro

Group B
Venue: Laktaši, Bosnia and Herzegovina

Bracket
Venue: Ljubljana, Slovenia

Source: Junior Adriatic League