1989 ACC men's basketball tournament

The 1989 Atlantic Coast Conference men's basketball tournament took place in Atlanta, Georgia, at the Omni Coliseum. North Carolina won the tournament by defeating Duke, 77–74, in the championship game. J. R. Reid of North Carolina was named tournament MVP.

This was the first time the 1 seed in the ACC Tournament has failed to reach the semifinals.

Bracket
AP rankings at time of tournament