The Serbian basketball league system, or Serbian basketball league pyramid is a series of interconnected competitions for professional basketball clubs in Serbia. The system has a hierarchical format with a promotion and demotion system between competitions at different levels.
There are currently five different competitions on the pyramid - the 1st tier Basketball League of Serbia, the 2nd tier Second Basketball League of Serbia, the 3rd tier Serbian First League, the 4th tier Serbian Second League, which comprises the lower level regional divisions.
Basketball League of Serbia and Second Basketball League of Serbia are organized by the Basketball Federation of Serbia while the lower tiers are organized by the Regional Federations.
For the 2006–07 season, the Serbian basketball league system is as follows:
Since the 2006–07 season, there are currently different competitions on the pyramid.