The 2014–15 Washington State Cougars men's basketball team represented Washington State University during the 2014–15 NCAA Division I men's basketball season. This was Ernie Kent's first year as head coach at Washington State. The Cougars played their games at the Beasley Coliseum as members of the Pac-12 Conference. They finished the season 13–18, 7–11 in Pac-12 play to finish in a three way tie for eighth place. They lost in the first round of the Pac-12 tournament to California.