| Year: | 1999 |
| Conference: | ACC |
| Gender: | Men's |
| Teams: | 9 |
| Arena: | Charlotte, North Carolina |
| City: | Charlotte Coliseum |
| Champions: | Duke |
| Titlecount: | 10th |
| Coach: | Mike Krzyzewski |
| Coachcount: | 4th |
| Mvp: | Elton Brand |
| Mvpteam: | Duke |
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 16–0 record in conference play. Elton Brand of Duke was tournament MVP.
AP rankings at time of tournament
| Player | School | |
|---|---|---|
| William Avery | Duke | |
| Elton Brand | Duke | |
| Steve Francis | Maryland | |
| Ademola Okulaja | North Carolina | |
| Max Owens | North Carolina |
| Player | School | |
|---|---|---|
| Shane Battier | Duke | |
| Ed Cota | North Carolina | |
| Anthony Grundy | NC State | |
| Corey Maggette | Duke | |
| Kris Lang | North Carolina |