2023–24 Nemzeti Bajnokság III

The 2023–24 Nemzeti Bajnokság III is Hungary's third-level football competition.

Overview
Compared to last season, instead of 3 groups of 20 teams, 16 teams will compete in 4 groups. Out of the four group winners, two team will be promoted via promotion play-offs. The last 3 teams in each group and the two worst 13th placed team will get relegated.

Teams
The following teams have changed division since the 2022–23 season.

Stadium and locations
Following is the list of clubs competing in the league this season, with their location, stadium and stadium capacity.

Overview
In Play-off matches between finished 1st of 4 group respectively will ahead of promotion to Nemzeti Bajnokság II is two teams winner.

Final 2nd leg
Szentlőrinc won 3–1 on aggregate and promoted to NB II, whereas Putnok was remained in NB III.

Tatabánya won 3-4 on aggregate and promoted to NB II, whereas Békéscsaba was remained in NB III but promoted to NB II due to dissolve Haladás.