The 1999 Atlantic Coast Conference men's basketball tournament took place from March 4 to 7 in Charlotte, North Carolina, at the second Charlotte Coliseum. Duke won the championship game over North Carolina. It was the first of an unprecedented five consecutive ACC Tournament championships. Duke's championship followed a perfect 16âÂÂ0 record in conference play. Elton Brand of Duke was tournament MVP.
<nowiki>AP rankings at time of tournament</nowiki>