The 1945–46 Idaho Vandals men's basketball team represented the University of Idaho during the 1945–46 NCAA college basketball season. Members of the Pacific Coast Conference, the Vandals were led by fourth-year acting head coach James "Babe" Brown and played their home games on campus at Memorial Gymnasium in Moscow, Idaho. Idaho met Southern Division champion California in the best-of-three championship series in Berkeley, lost game one in a near-riot, won game two, but lost the third.