The 2017–18 Washington State Cougars women's basketball team represented Washington State University during the 2017–18 NCAA Division I women's basketball season.

The Cougars, led by eleventh year head coach June Daugherty, played their home games at the Beasley Coliseum and were members of the Pac-12 Conference.

[4] WSU hired Northern Colorado head coach Kamie Ethridge on April 16.

They were invited to the Women's National Invitation Tournament where they defeated BYU, Wyoming and UC Davis in the first, second and third rounds, Iowa in the quarterfinals before losing to Georgia Tech in the semifinals.

Roster Last update: February 25, 2018 [6] 2017–18 NCAA Division I women's basketball rankings