The 2018 Women's Hockey SOMPO CUP is the first Hockey SOMPO CUP, an international women's field hockey tournament consisting of a series of test matches. It took place in Japan from September 12 to 16, 2018, featuring four of the top nations in women's field hockey.
The tournament featured the national teams of Australia, South Korea, United States, and the hosts, Japan, competing in a round-robin format, with each team playing against each other once. Three points were awarded for a win, one for a draw, and none for a loss.