The 2013–14 Washington State Cougars men's basketball team represented Washington State University during the 2013–14 NCAA Division I men's basketball season.

The Cougars led by, 5th year head coach Ken Bone, they played their games at the Beasley Coliseum and were members of the Pac-12 Conference.

They finished with a record of 10–21 overall, 3–15 in Pac-12 play to finish in eleventh place.

They lost in the first round of the 2014 Pac-12 Conference men's basketball tournament to Stanford.

On March 18, 2014 it was announced that Ken Bone was fired after 5 seasons with Washington State.