2023–24 Duke Blue Devils men's basketball team

The 2023–24 Duke Blue Devils men's basketball team represented Duke University during the 2023–24 NCAA Division I men's basketball season. The Blue Devils were led by second year head coach Jon Scheyer. The Blue Devils played their home games at Cameron Indoor Stadium in Durham, North Carolina, as a member of the Atlantic Coast Conference.

The Blue Devils started the season ranked second in the nation and dominated Dartmouth in their season opener. The schedule became more difficult as they lost by four points to twelfth-ranked Arizona. They followed the loss with a defeat of eighteenth-ranked Michigan State in the Champions Classic. They went on to win three straight games before losing at Arkansas in the ACC–SEC Challenge. They were defeated by Georgia Tech by four-points in their ACC opener. After back-to-back defeats, the Blue Devils went on to win eight straight games. This included wins over tenth-ranked Baylor and a defeat over Georgia Tech to avenge the previous loss. The winning streak was broken with a four-point loss to Pittsburgh. They won their next three games before a rivalry matchup with North Carolina. North Carolina won by nine-points, but the Blue Devils would win their next five straight games. Duke lost two of its last five games, with one of the losses coming at in-state rival Wake Forest and the other being a final day loss to North Carolina.

The Blue Devils finished the season 27–9 and 15–5 in ACC play to finish in second place. As the second seed in the ACC tournament, they earned a bye to the Quarterfinals where they were upset by in-state rival and tenth-seed NC State. They received an at-large bid to the 2024 NCAA Division I Men's Basketball Tournament where they were the 4th seed in the South Region. They faced Vermont in the First Round. They won this matchup to move onto the round of 32, where they routed 12th seed James Madison. Duke then faced the number one seed, Houston, whom they defeated 54–51, advancing to the Elite Eight for the first time under head coach Jon Scheyer. There they were upset by 11th-seeded and ACC rival NC State to end their season.

Previous season
The Blue Devils finished the 2022–23 season 27–9, 14–6 in ACC play to finish a three-way tie for third place. As the No. 4 seed in the ACC tournament, they defeated Pittsburgh, Miami, and Virginia to win the tournament championship. The championship was their 22nd ACC tournament victory in program history. As a result, they received the conference's automatic bid to the NCAA tournament as the No. 5 seed in the East region. There they defeated Oral Roberts before being losing in the second round to Tennessee.

Schedule and results
!colspan=9 style=| Exhibition

!colspan=9 style=| Regular season

!colspan=12 style=|ACC tournament

!colspan=12 style=|NCAA tournament

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