The 2021 Big 12 Conference women's soccer tournament was the postseason women's soccer tournament for the Big 12 Conference held from October 31 to November 7, 2021. The 7-match tournament was held at the Round Rock Multipurpose Complex in Round Rock, Texas. The 8-team single-elimination tournament consisted of three rounds based on seeding from regular season conference play. The Kansas Jayhawks were the defending champions from 2019.[1] There was no tournament held in 2020 due to the COVID-19 pandemic.[2] Kansas was unable to defend its title as the team did not qualify for the tournament.[3]TCU won the title by defeating Texas 2–1 in the final.[4] This was the first title in school history for TCU and head coach Eric Bell.[2] As tournament champions, TCU earned the Big 12's automatic berth into the 2021 NCAA Division I Women's Soccer Tournament.