The 2018–19 Gonzaga Bulldogs men's basketball team (also informally referred to as the Zags) represented Gonzaga University, located in Spokane, Washington. in the 2018–19 NCAA Division I men's basketball season. The team was led by head coach Mark Few, in his 20th season as head coach. This was the Bulldogs' 15th season at the on-campus McCarthey Athletic Center and 39th season as a member of the West Coast Conference. They finished the season 33-4, 16-0 to finish in 1st place. In the WCC Tournament, they defeated Pepperdine in the semifinals before losing in the championship game to Saint Mary’s. They received an at-large bid to the NCAA Tournament where they defeated Fairleigh Dickinson, Baylor and Florida State to make the Elite Eight. In the Elite Eight, they lost to Texas Tech.