| Sport: | basketball |
| Year: | 1939–40 |
| Team: | Duke Blue Devils |
| Conference: | Southern Conference |
| Short Conf: | Southern |
| Record: | 19–7 |
| Conf Record: | 13–2 |
| Head Coach: | Eddie Cameron |
| Arena: | Duke Indoor Stadium |
| Champion: | SoCon Regular Season champions |
The 1939–40 Duke Blue Devils men's basketball team represented Duke University during the 1939–40 men's college basketball season. The head coach was Eddie Cameron, coaching his 12th season with the Blue Devils. The team finished with an overall record of 19–7.[1]