The 2003–04 Washington Huskies men's basketball team represented the University of Washington for the 2003–04 NCAA Division I men's basketball season. Led by second-year head coach Lorenzo Romar, 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 17–10 overall in the regular season and 12–6 in conference play, second in the standings.