The 2017 Atlantic Coast Conference men's basketball tournament was the postseason men's basketball tournament for the Atlantic Coast Conference and was held at Barclays Center in Brooklyn, New York from March 7 to 11, 2017. Duke became the first team in history to win four straight games in the ACC Tournament and received the conference's automatic bid to the 2017 NCAA tournament with a 75–69 win over Notre Dame.
Seeds
All 15 ACC teams participated in the tournament. The top nine teams receive first-round byes and the top four teams received double-byes to the quarterfinals. Teams were seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.