The Washington State Cougars men's basketball team represents Washington State University and competes in the Pac-12 Conference (Pac-12) of NCAA Division I. The Cougars play their home games on campus in Pullman at Beasley Coliseum, which has a capacity of 12,058. They are currently led by head coach David Riley.

Pullman is the most populous city in Whitman County, located in southeastern Washington within the Palouse region of the Pacific Northwest. The population was 32,901 at the 2020 census, and estimated to be 32,508 in 2022. Originally founded as Three Forks, the city was renamed after industrialist George Pullman in 1884.