The 2017–18 BYU Cougars women's basketball team will represent Brigham Young University during the 2017–18 NCAA Division I women's basketball season. It will be head coach Jeff Judkins's seventeenth season at BYU. The Cougars, members of the West Coast Conference, play their home games at the Marriott Center. They finished the season 16–14, 11–7 in WCC play to finish in a tie for third place. They lost in the quarterfinals of the WCC women's tournament to San Diego. They missed the postseason tournament for the first time since 2009.