The 2017–18 Southern Utah Thunderbirds women's basketball team represented Southern Utah University during the 2017–18 NCAA Division I women's basketball season. The Thunderbirds were led by fourth-year head coach Chris Boettcher and play their home games at America First Events Center. They were members of the Big Sky Conference. They finished the season 3–27, 1–15 in Big Sky play to finish in last place. They lost in the first round of the Big Sky women's tournament to Idaho State.