The 2018 Summit League Women's Soccer Tournament was the postseason women's soccer tournament for the Summit League held on November 1 and 3, 2018. The three-match tournament took place at Fishback Soccer Park in Brookings, South Dakota. The four-team single-elimination tournament consisted of two rounds based on seeding from regular season conference play. The Denver Pioneers were the defending champions, and successfully defended their title with a 4–0 victory over the Omaha Mavericks in the final. The win earned Denver the conference's automatic bid to the NCAA tournament. The tournament win was Denver's third as a member of the conference, all of which have come under coach Jeff Hooker.