1919–20 Washington State Cougars men's basketball team

The 1919–20 Washington State Cougars men's basketball team represented Washington State College for the 1919–20 college basketball season. Led by twelfth-year head coach Fred Bohler, the Cougars were members of the Pacific Coast Conference and played their home games on campus in Pullman, Washington.

The Cougars were 10–11 overall in the regular season and 6–7 in conference play, third in the standings.