2018 Big West Conference women's basketball tournament

The 2018 Big West Conference women's basketball tournament took place March 6–10, 2018, at two venues in the Los Angeles area. The first two rounds were scheduled for Titan Gym in Fullerton, California, while the semifinals and championship were held at the Honda Center in Anaheim. Cal State Northridge, the winner of the Big West tournament received the conference's automatic bid to the 2018 NCAA Women's Division I Basketball Tournament.