1942–43 Washington State Cougars men's basketball team

The 1942–43 Washington State Cougars men's basketball team represented Washington State College for the 1942–43 college basketball season. Led by fifteenth-year head coach Jack Friel, the Cougars were members of the Pacific Coast Conference and played their home games on campus at the WSC Gymnasium in Pullman, Washington.

The Cougars were 19–11 overall in the regular season and 9–7 in conference play, third in the Northern division.