Second Basketball League of Serbia
| Founded | 2006 |
|---|---|
| First season | 2006–07 |
| Country | Serbia |
| Confederation | FIBA Europe |
| Number of teams | 16 |
| Level on pyramid | 2nd |
| Promotion to | First Men's League |
| Relegation to | First Men's Regional League |
| Domestic cup | Cup of Serbia |
| Current champions | Hercegovac (1st title) (2024–25) |
| Most championships | Jagodina Radnički Beograd (2 titles) |
| Website | lige.kss.rs |
| 2024–25 season | |
Second Men's League of Serbia (Serbian Cyrillic: Друга мушка лига Србије, romanized: Druga muška liga Srbije), previously Basketball League of Serbia B, is the second-tier level men's professional basketball league in Serbia. Founded in 2006, it is run by the Basketball Federation of Serbia (KSS).