1947–48 Washington State Cougars men's basketball team

The 1947–48 Washington State Cougars men's basketball team represented Washington State College for the 1947–48 college basketball season. Led by twentieth-year head coach Jack Friel, the Cougars were members of the Pacific Coast Conference and played their home games on campus at Bohler Gymnasium in Pullman, Washington.

The Cougars were 19–10 overall in the regular season and 9–7 in conference play, third place in the Northern division.