2018–19 Nemzeti Bajnokság I/B (women's handball)

The 2018–19 Nemzeti Bajnokság I/B is the 51st season of the Nemzeti Bajnokság I/B, Hungary's second tier Handball league.

Team information
There are 12–12 clubs in the 2 group, with three-three promoted teams from Nemzeti Bajnokság II.

Team changes
Promoted from 2017–18 Nemzeti Bajnokság II
 * Dorogi ESE (North)
 * FKSE Algyő (South-east)

Relegated from 2017–18 Nemzeti Bajnokság I
 * Kecskeméti NKSE
 * Vasas SC

Relegated to 2018–19 Nemzeti Bajnokság II
 * Pilisvörösvári KSK
 * Csurgói NKC (South-west)
 * Marcali VSZSE (South-west)
 * VKL SE Győr (North-west)
 * Hódmezővásárhelyi LKC (South-east)
 * K. Szeged SE (South-east)
 * Gyömrő VSK (South)

Promoted to 2018–19 Nemzeti Bajnokság I
 * Mosonmagyaróvári KC SE
 * Eszterházy KESC

Western Group
The following 12 clubs compete in the NB I/B (Western) during the 2018–19 season:

Eastern Group
The following 12 clubs compete in the NB I/B (Eastern) during the 2017–18 season: