Nemzeti Bajnokság I/A
< Nemzeti Bajnokság I
| Founded | 1933 |
|---|---|
| First season | 1933 |
| Country | Hungary |
| Confederation | FIBA Europe |
| Number of teams | 14 |
| Level on pyramid | 1 |
| Relegation to | NB I/B |
| Domestic cup(s) | Magyar Kupa |
| International cup(s) | Basketball Champions League FIBA Europe Cup |
| Current champions | Szolnoki Olaj (9th title) (2024–25) |
| Most championships | Honvéd (33 titles) |
| TV partners | M4 Sport |
| Website | hunbasket.hu |
| 2024–25 NB I/A season | |
The Nemzeti Bajnokság I/A (English: National Championship I/A, commonly abbreviated NB I/A) is the highest level league of club men's basketball in Hungary.