2019 Big West Conference women's basketball tournament

The 2019 Big West Conference women's basketball tournament was the postseason women's basketball tournament that took place March 12–16, 2019, at two venues in the Los Angeles area. The first two rounds were scheduled for the Bren Events Center in Irvine, California, while the semifinals and championship were held at the Honda Center in Anaheim. The winner of the Big West tournament receives the conference's automatic bid to the 2019 NCAA Women's Division I Basketball Tournament. UC Davis won the conference tournament championship game over Hawai'i, 58–50.