The 2017–18 New Zealand Women's Twenty20 Competition was the eleventh season of the women's Twenty20 cricket competition played in New Zealand. It ran from November 2017 to February 2018, with 6 provincial teams taking part. Wellington Blaze topped the group with 7 wins to win their 4th Twenty20 title. The tournament ran alongside the 2017–18 Hallyburton Johnstone Shield.