2002–03 Duke Blue Devils men's basketball team

The 2002–03 Duke Blue Devils men's basketball team represented Duke University in the 2002–03 NCAA Division I men's basketball season. The head coach was Mike Krzyzewski and the team finished the season with an overall record of 26–7.

Offseason
On April 2, 2002, Krzyzewski announced that Mike Dunleavy Jr. and Chris Duhon would be captains for this season.

However, Dunleavy Jr. would declare for the NBA draft and forego his senior season.

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

!colspan=9 style=| ACC tournament

!colspan=9 style=| NCAA tournament