1929–30 Washington State Cougars men's basketball team

The 1929–30 Washington State Cougars men's basketball team represented Washington State College for the 1929–30 college basketball season. Led by second-year head coach Jack Friel, the Cougars were members of the Pacific Coast Conference and played their home games on campus at WSC Gymnasium in Pullman, Washington.

The Cougars were 14–12 overall in the regular season and 9–7 in conference play, second in the Northern division.