The 2018–19 Idaho State Bengals women's basketball team represents Idaho State University during the 2018–19 NCAA Division I women's basketball season. The Bengals, led by eleventh year head coach , play their home games at Reed Gym. They were members of the Big Sky Conference. They finished the season 20–11, 15–5 in Big Sky play to finish in a tie for second place. They lost in the semifinals of the Big Sky women's tournament to Eastern Washington. They received an at-large bid to the WNIT where they lost to Arizona in the first round.