2023 Big West Conference women's soccer tournament

The 2023 Big West Conference women's soccer tournament was the postseason women's soccer tournament for the Big West Conference held from October 29 to November 5, 2023. The Semifinals and Final of the five-match tournament took place at Titan Stadium in Fullerton, California and the higher seed hosted First Round games. The six-team single-elimination tournament consisted of three rounds based on seeding from regular season conference play. The defending champions were the UC Irvine Anteaters. The Anteaters successfully defended their title as the fifth seed, defeating Cal Poly 1–0 in the Final. This was the fourth Big West tournament title for the UC Irvine program and the third for head coach Scott Juniper. UC Irvine and Juniper have now one three straight Big West Tournaments. As tournament champions, UC Irvine earned the Big West's automatic berth into the 2023 NCAA Division I women's soccer tournament.

Seeding
The top six teams in the regular season earned a spot in the tournament and teams were seeded by regular season conference record. No tiebreakers were required as each team finished with a unique conference regular season record.

Bracket
Source: