The 2018–19 Washington Huskies men's basketball team represented the University of Washington in the 2018–19 NCAA Division I men's basketball season. The Huskies, led by second-year head coach Mike Hopkins, played their home games at Alaska Airlines Arena at Hec Edmundson Pavilion in Seattle, Washington as members of the Pac-12 Conference. They finished the season 27–9, 15–3 in Pac-12 play to win the regular season championship. They advanced to the championship game of the Pac-12 tournament where they lost to Oregon. They received an at-large bid to the NCAA tournament where, as a No. 9 seed, they defeated No. 8 seed Utah State in the First Round before losing to No. 1 seed North Carolina in the second round.