The –NemzetiBajnoksá2018–19 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 () FKSE Algyő ()
Relegated from 2017–18 Nemzeti Bajnokság I
Kecskeméti NKSE
Vasas SC
Relegated to 2018–19 Nemzeti Bajnokság II
Pilisvörösvári KSK
Csurgói NKC () Marcali VSZSE () VKL SE Győr () Hódmezővásárhelyi LKC () K. Szeged SE () Gyömrő VSK ()
Promoted to 2018–19 Nemzeti Bajnokság I
Mosonmagyaróvári KC SE
Eszterházy KESC
Arenas and locations
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: