2003–04 Duke Blue Devils men's basketball team

The 2003–04 Duke Blue Devils men's basketball team represented Duke University. The head coach was Mike Krzyzewski, who served for his 24th year at Duke. The team played its home games in Cameron Indoor Stadium in Durham, North Carolina, and was a member of the Atlantic Coast Conference.

Schedule and results
!colspan=9 style=|Regular season

!colspan=9 style=| ACC tournament

!colspan=9 style=| NCAA tournament