The 2018–19 Louisiana Ragin' Cajuns women's basketball team represented the University of Louisiana at Lafayette during the 2018–19 NCAA Division I women's basketball season.

The Ragin' Cajuns were led by seventh-year head coach Garry Brodhead and played all home games at the Cajundome along with the Louisiana Ragin' Cajuns men's basketball team.

The Ragin' Cajuns finished the 2017–18 season 17–16, 10–8 in Sun Belt play to finish in a three-way tie for sixth place in the conference.

They made it to the 2017–18 Sun Belt Conference Women's Basketball semifinal game after defeating the Georgia Southern Eagles 88–81 in 3 overtimes and the UT Arlington Mavericks 54–48.

They lost in heartbreaking fashion against the Texas State Bobcats in the semifinals by the score of 56–62.