The 2018–19 Texas Longhorns women's basketball team represented the University of Texas at Austin in the 2018–19 NCAA Division I women's basketball season. It was head coach Karen Aston's seventh season at Texas. The Longhorns were members of the Big 12 Conference and played their home games at the Frank Erwin Center. They finished the season 23–10, 12–6 in Big 12 play to finish in third place. They advanced to the championship game of the Big 12 women's basketball tournament where they lost to Iowa State. They received an at-large bid to the NCAA women's basketball tournament, as a 10th seed in the Portland Regional, where they lost to 7th seed Indiana in the first round.