2017–18 Nemzeti Bajnokság I/B (women's handball)

The 2017–18 Nemzeti Bajnokság I/B season in women's handball was a part of the second tier of Hungarian women's handball league system, Nemzeti Bajnokság I/B (NB I/B). It followed the Nemzeti Bajnokság I (NB I), the top division, and preceded the lower leagues. The season involved multiple teams competing for promotion to the NB I league and aiming to avoid relegation to lower divisions. The competition format involved a regular season followed by potential play-offs or play-outs depending on the specific regulations for that year. The specific composition of teams participating varied annually, with clubs from across Hungary vying for competitive success in the NB I/B. Information regarding the champions, relegated teams, and detailed statistics would be available from official Hungarian handball federation sources and sports news outlets that covered the league.