2001–02 Washington State Cougars men's basketball team

The 2001–02 Washington State Cougars men's basketball team represented Washington State University for the 2001–02 NCAA Division I men's basketball season. Led by third-year head coach Paul Graham, the Cougars were members of the Pacific-10 Conference and played their home games on campus at Beasley Coliseum in Pullman, Washington.

The Cougars were 6–21 overall in the regular season and 1–17 in conference play, last in the standings.

The conference tournament, last played in 1990, resumed this year, but only the top eight teams qualified.