First B Federal Basketball League

The Yugoslav First B Federal Basketball League (Prva B savezna košarkaška liga) was the second-tier level club basketball league of SFR Yugoslavia. The league's top performing clubs of each season, were promoted up to the top tier level, the Yugoslav First Federal League.

Adriatic League successor league
In 2017, the ABA League, which is the successor league to the Yugoslav First Federal League, created the Adriatic League Second Division, which is the successor league to the Yugoslav First B Federal League.