The 2018 Kate Sheppard Cup is New Zealand's women's 25th annual knockout football competition. This is the first year that the competition is known by the Kate Sheppard Cup, or New Zealand Football Foundation Kate Sheppard Cup for sponsorship purposes, after previously been known as the Women's Knockout Cup since its establishment. The 2018 competition has three rounds before quarter-finals, semi-finals, and a final. Competition will run in three regions (northern, central, southern) until the quarter-finals, from which stage the draw will be open. In all, 35 teams entered the competition.