1. B Federal Basketball League
| Sport | Basketball |
|---|---|
| Founded | 1980 |
| Ceased | 1992 (SFR Yugoslavia) |
| Countries |
 Yugoslavia
|
| Continent | FIBA Europe (Europe) |
| Level on pyramid | 2nd Tier |
| Promotion to | First Federal Basketball League |
| Related competitions |
Yugoslav Cup |
The Yugoslav 1. B Federal Basketball League (Serbo-Croatian: 1. B savezna košarkaška liga) was the second tier level basketball league of SFR Yugoslavia. The league's top performing clubs of each season, were promoted to the top tier level, the Yugoslav First Federal Basketball League.
In 2017, ABA League created Adriatic League Second Division.
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