The 1998âÂÂ99 Duke Blue Devils men's basketball team represented Duke University. The head coach was Mike Krzyzewski. The team played its home games in the Cameron Indoor Stadium in Durham, North Carolina, and was a member of the Atlantic Coast Conference. Duke finished with an overall record of 37âÂÂ2 and were undefeated in the ACC (16âÂÂ0).
In the ACC tournament, Duke won by double digits in all three games, capping it with a win over archrival North Carolina 96âÂÂ73. In the NCAA tournament, the Blue Devils continued their winning streak with victories Florida A&M, Tulsa, Southwest Missouri State, Temple, and Michigan State to advance to the championship game, where they were upset by Connecticut 77âÂÂ74.
|- !colspan=9 style=|Regular season
|- !colspan=9 style=|<span style=>ACC Tournament</span>
|- !colspan=9 style=|<span style=>NCAA tournament</span>