The 2023–24 Washington State Cougars women's basketball team represented Washington State University during the 2023–24 NCAA Division I women's basketball season.

The Cougars were led by sixth-year head coach Kamie Ethridge and they played their home games at Beasley Coliseum as members of the Pac-12 Conference.

They were invited to compete in the inaugural 2024 WBIT as a number one seeded team.

They defeated California, Utah, Colorado and UCLA to win their first ever Pac-12 women's tournament to receive an automatic bid to the NCAA women's tournament.

They were upset in the first round by number 12 seed Florida Gulf Coast.