2012–13 Nemzeti Bajnokság I
The 2012–13 Nemzeti Bajnokság I, also known as NB I, was the 111th season of top-tier football in Hungary. The league is officially named OTP Bank Liga for sponsorship reasons. The season began 27 July 2012 and ended on 2 June 2013. Debrecen were the defending champions having won their sixth Hungarian championship last season.
Teams
and Vasas SC finished the 2011–12 season in the last two places and thus were relegated to their respective NB II divisions.The two relegated teams were replaced with the champions of the two 2011–12 NB II groups, Eger of the East Group and MTK of the West Group. MTK made their immediate comeback to the league, while Eger returned to the competition for the first time since the 1986–87 season.
Stadia and locations
Following is the list of clubs competing in 2012–13 Nemzeti Bajnokság I, with their location, stadium and stadium capacity.| Team | Short name | Location | Stadium | Capacity |
| Budapest Honvéd FC | Honvéd | Budapest | Bozsik József Stadion | 9,500 |
| Debreceni VSC | Debrecen | Debrecen | Oláh Gábor utcai stadion | 10,200 |
| Diósgyőri VTK | Diósgyőr | Miskolc | Diósgyőri stadion | 11,398 |
| Egri FC | Eger | Eger | Szentmarjay Tibor Városi Stadion | 6,000 |
| Ferencvárosi TC | Ferencváros | Budapest | Albert Flórián Stadion | 15,804 |
| Győri ETO FC | Győr | Győr | ETO Park | 15,600 |
| Kaposvári Rákóczi FC | Rákóczi | Kaposvár | Rákóczi Stadion | 7,000 |
| Kecskeméti TE | Kecskemét | Kecskemét | Széktói Stadion | 6,320 |
| Lombard-Pápa TFC | Pápa | Pápa | Perutz Stadion | 5,500 |
| MTK Budapest FC | MTK | Budapest | Hidegkuti Nándor stadion | 7,515 |
| Paksi SE | Paks | Paks | Fehérvári úti stadion | 4,400 |
| Pécsi MFC | Pécs | Pécs | PMFC Stadion | 7,000 |
| BFC Siófok | Siófok | Siófok | Révész Géza utcai stadion | 6,500 |
| Szombathelyi Haladás | Haladás | Szombathely | Rohonci úti stadion | 9,500 |
| Újpest FC | Újpest | Budapest | Szusza Ferenc stadion | 13,501 |
| Videoton FC | Videoton | Székesfehérvár | Sóstói stadion | 14,300 |
Personnel and kits
Following is the list of clubs competing in 2012–13 Nemzeti Bajnokság I, with their manager, captain, kit manufacturer and shirt sponsor.Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and Managers may hold more than one non-FIFA nationality.
| Team | Manager | Captain | Kit manufacturer | Shirt sponsor |
| Debrecen |  | | adidas | TEVA |
| Diósgyőr |  |  | Nike | — |
| Eger | |  | Legea | Formidus |
| Ferencváros |  | | Nike | Grupama Garancia |
| Győr | |  | Puma | Audi, Qaestor |
| Haladás | | | Legea | Sopron Bank, Contact Zrt. |
| Honvéd |  | | Givova | — |
| Rákóczi | | | Toti Sport | Regale Klíma |
| Kecskemét | |  | Jako | Phoenix Mecano, Bertrans |
| MTK | | | Nike | Fotex, Sándor Károly Akadémia |
| Paks | | | Jako | MVM-Atomerőmű |
| Pápa | | | Jako | Lombard |
| Pécs | | | Puma | Matias |
| Siófok | | | Puma | AVE, Femol '97 |
| Újpest |  | | Puma | — |
| Videoton |  | | Nike | MOL |
Managerial changes
;Notes:4 Between 17 and 28 September István Szabó was the caretaker manager of Kecskemét.
League table
Positions by round
Results
Top goalscorers
| Rank | Scorer | Club | Goals |
| 1 |  Adamo Coulibaly | Debrecen | 18 |
| 2 |  Dániel Böde | Ferencváros | 17 |
| 3 | Péter Kabát | Újpest | 13 |
| 3 | Nemanja Nikolić | Videoton | 13 |
| 5 | Roland Varga | Győr | 12 |
| 6 | Gergely Délczeg | Honvéd | 10 |
| 6 | Attila Simon | Paks Pécs | 10 |
| 8 | János Lázok | Paks | 9 |
| 8 | József Kanta | MTK | 9 |
| 8 |  Goran Marić | Pápa | 9 |
| 8 | Norbert Németh | Eger | 9 |
Hat-tricks
- 4 Player scored 4 goals
Attendance
Top 15 attendances (single match)
Source:NB1 attendances (average)
Source:Last updated: 4 April 2013