| Countries | Hungary |
|---|---|
| Confederation | EHF |
| Founded | 1968 |
| Divisions | Nyugati (Western) / Keleti (Eastern) |
| Number of teams | 23 (in two groups) |
| Promotion to | Nemzeti Bajnokság I |
| Relegation to | Nemzeti Bajnokság II |
| Domestic cup(s) | Magyar Kupa |
| Current champions | Mohácsi TE / Kiskunhalas NKSE (2010–11) |
| Website | Hungarian Handball Federation |
The Nemzeti Bajnokság I/B (English: National Championship I/B) is the second tier league for Hungarian women's handball clubs. It is administered by the Hungarian Handball Federation. The league is divided into two groups, a Western one and an Eastern one. Fourteen teams compete in each group and the group winners gain automatic promotion to the NB I.
The following teams participate in the 2011–12 season:
| Western Group | Eastern Group |
|---|---|
| Ferencvárosi TC II | Csorvási SK |
| Győri Audi ETO KC II | DVSC-Fórum II |
| Kispesti NKK | ÉTV-Érdi VSE II |
| Marcali VSZSE | Esterházy KFSC-Globosys |
| Mohácsi TE | Főgáz-Gázművek MTE |
| Pénzügyőr-Spartacus SC | Hajdúnánás Termál SC |
| PTE-PEAC | Inárcs-Örkény KC |
| Siófok KC II | Kecskeméti NKSE |
| Szent István SE Építők | Nyíradonyi VVTK |
| Szentendrei NKE | Orosházi NKC |
| Vasas-ASI | Szeged KKSE |
| VKLSE Győr |
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