The 2018–19 Texas Tech Lady Raiders basketball team represents Texas Tech University in the 2018–19 NCAA Division I women's basketball season. The Lady Raiders are led by first year head coach Marlene Stollings. They play their homes games at United Supermarkets Arena and are members of the Big 12 Conference. They finished the season 14–17, 4–14 in Big 12 play to finish in a tied for eighth place. They advanced to the quarterfinals of the Big 12 women's tournament where they lost to Baylor.