| Competition: | Nemzeti Bajnokság III |
| Season: | 2013–14 |
| Winners: | Soroksár (Central) Létavértes (East) Csákvár (West) |
| Promoted: | Csákvár Soroksár Szeged |
| Relegated: | Andráshida Ebes Eger Ferencváros II Haladás II Jászapáti Komló Körmend |
| Prevseason: | 2012–13 |
| Nextseason: | 2014–15 |
The 2013–14 Nemzeti Bajnokság III football season had three geographically-based groups (East, Central and West) of sixteen teams. The winners of the groups promoted to next season's Nemzeti Bajnokság II, while the bottom three teams would play next season in the Hungarian County Championship. The 13th-placed teams had to play a qualifier to secure their spot at the third level of Hungarian football.