| Year: | 1978 |
| Conference: | ACC |
| Gender: | Men's |
| Teams: | 7 |
| Arena: | Greensboro Coliseum |
| City: | Greensboro, North Carolina |
| Champions: | Duke |
| Titlecount: | 5th |
| Coach: | Bill Foster |
| Coachcount: | 1st |
| Mvp: | Jim Spanarkel |
| Mvpteam: | Duke |
| Television: | The C.D. Chesley Company (Quarterfinals and Semifinals) ABC Sports (Championship Game) |
The 1978 Atlantic Coast Conference men's basketball tournament was held in Greensboro, North Carolina, at the Greensboro Coliseum from March 1–4. Duke defeated, 85–77, to win the championship. Jim Spanarkel of Duke was named the tournament MVP.