2009–10 Nemzeti Bajnokság I
| Season | 2009–10 |
|---|---|
| Dates | 24 July 2009 – 23 May 2010 |
| Champions | Debrecen |
| Relegated | Nyíregyháza Diósgyőr |
| Champions League | Debrecen |
| Europa League | Videoton Győr Zalaegerszeg |
| Matches played | 240 |
| Goals scored | 706 (2.94 per match) |
| Top goalscorer | Nemanja Nikolic (18) |
| Biggest home win | Kecskemét 5–1 Vasas Nyíregyháza 5–1 Vasas MTK 4–0 Kaposvár Debrecen 5–1 Kaposvár |
| Biggest away win | Nyíregyháza 0–4 Zalaegerszeg |
| Highest scoring | Kecskemét 3–6 Fehérvár MTK 4–5 Újpest |
| Longest winning run | Debrecen (8 games) |
| Longest unbeaten run | Videoton (19 games) |
| Longest winless run | Nyíregyháza (12 games) |
| Longest losing run | Diósgyőr, Kaposvár (6 games each) |
← 2008–09 2010–11 → | |
The 2009–10 Nemzeti Bajnokság I, also known as NB I, was the 108th season of top-tier football in Hungary. The league was officially named Soproni Liga for sponsorship reasons. The season began on 24 July 2009 and ended on 23 May 2010. Debrecen were the defending champions, and they defended their title.