2009–10 Nemzeti Bajnokság I (women's handball)

The 2009–10 Nemzeti Bajnokság I was the fifty-ninth series of the national team handball championship for Hungarian women. Győri ETO KC were the defending champions and they retained the championship by going undefeated throughout the season. The competition began on 2 September 2009, and ended on 27 March 2010. The playoffs ended on 15 May, with Váci NKSE beating Békéscsabai ENKSE thus taking the bronze medal.