The 2019–20 Gonzaga Bulldogs men's basketball team (also informally referred to as the Zags) represented Gonzaga University, located in Spokane, Washington, in the 2019–20 NCAA Division I men's basketball season. The team was led by head coach Mark Few, in his 21st season as head coach. This was the Bulldogs' 16th season at the on-campus McCarthey Athletic Center and 40th season as a member of the West Coast Conference. They finished the season 31–2, 15–1 in WCC play to be WCC regular season champions. They defeated San Francisco and Saint Mary's to be champions of the WCC tournament. They earned the WCC's automatic bid to the NCAA tournament. However, all postseason play, including the NCAA Tournament, was cancelled amid the COVID-19 pandemic, making this season the first one under Mark F