2023 ACC men's basketball tournament

The 2023 ACC men's basketball tournament was the postseason men's basketball tournament for the Atlantic Coast Conference held at the Greensboro Coliseum in Greensboro, North Carolina, from March 7 to 11, 2023. It was the 70th annual edition of the tournament. The Duke Blue Devils won the tournament, their twenty-second ACC Tournament title, receiving the conference's automatic bid to the 2023 NCAA tournament. The tournament marked the last game of Jim Boeheim's 47 year coaching career at Syracuse.

Seeds
All 15 ACC teams participated in the tournament. Teams were seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.

Second round
Davien Williamson hits the game winning 3 with 0.2 seconds left.

This was the last game Jim Boeheim coached, as he retired following the loss.