The Hungarian basketball league system, or Hungarian basketball league pyramid is a series of interconnected competitions for professional basketball clubs in the country of Hungary. The system has a hierarchical format with a promotion and demotion system between competitions at different levels.
For the 2015–16 season, the Hungarian basketball league system is as follows:
| Level Clubs | Divisions | ||||||
|---|---|---|---|---|---|---|---|
| 1 14 | Nemzeti Bajnokság I/A (NB I/A) 14 clubs | ||||||
| 2 24 | Nemzeti Bajnokság I/B (NB I/B) West 12 clubs | Nemzeti Bajnokság I/B (NB I/B) East 12 clubs | |||||
| 3 54 | Nemzeti Bajnokság II (NB II) West 11 clubs | Nemzeti Bajnokság II (NB II) Middle A 16 clubs | Nemzeti Bajnokság II (NB II) Middle B 16 clubs | Nemzeti Bajnokság II (NB II) East 11 clubs | |||
| 4 | Regional divisions | ||||||