The 1984–85 Washington Huskies men's basketball team represented the University of Washington for the 1984–85 NCAA Division I men's basketball season. Led by fourteenth-year head coach Marv Harshman, the Huskies were members of the Pacific-10 Conference and played their home games on campus at Hec Edmundson Pavilion in Seattle, Washington.
The Huskies were overall in the regular season and in conference play, co-champions with USC. There was no conference tournament this season; it debuted two years later.
Washington was seeded fifth in the West regional of the 64-team NCAA tournament, but was upset by Kentucky in the first round in Salt Lake City. The Wildcats defeated fourth-seed UNLV and advanced to the Sweet Sixteen, where they fell to the top seed in the West.
Harshman, age 67, retired at the end of the season. Andy Russo, the head coach at Louisiana Tech, was hired in