The 2019–20 Colorado Buffaloes men's basketball team represented the University of Colorado in the 2019–20 NCAA Division I men's basketball season. They were led by head coach Tad Boyle in his tenth season at Colorado. The Buffaloes played their home games at CU Events Center in Boulder, Colorado as members of the Pac-12 Conference. They finished the season 21–11, 10–8 in Pac-12 play to finish in a tie for fifth place. They lost in the first round of the Pac-12 tournament to Washington State.