The 2016–17 Nemzeti Bajnokság III is Hungary's third-level football competition.
[1][2][3] Three teams were relegated including Szigetszentmiklós, Dunaújváros PASE, and Ajka from the 2015–16 Nemzeti Bajnokság II.
The following teams qualified for the 2017-18 Nemzeti Bajnokság III season from 2016-17 Megyei Bajnokság I: The following teams qualified for the 2017–18 Nemzeti Bajnokság III on slots.
The following teams played play-offs to qualify.
The second leg of the play-offs were played on 17 June 2017.