The 2022–23 Washington State Cougars men's basketball team represented Washington State University during the 2022–23 NCAA Division I men's basketball season.

The team was led by fourth-year head coach Kyle Smith.

The Cougars played their home games at the Beasley Coliseum in Pullman, Washington as members in the Pac-12 Conference.

They received an invitation to participate in the NIT, where they were defeated by Eastern Washington in the first round.

They defeated California in the first round of the Pac-12 tournament before losing to UCLA in the quarterfinals.