| Sport: | basketball |
| Year: | 1965–66 |
| Team: | Duke Blue Devils |
| Conference: | Atlantic Coast Conference |
| Short Conf: | ACC |
| Coachrank: | 2 |
| Aprank: | 2 |
| Record: | 26–4 |
| Conf Record: | 12–2 |
| Head Coach: | Vic Bubas |
| Hc Year: | 7th |
| Arena: | Cameron Indoor Stadium |
| Champion: | ACC Regular Season Champions ACC Tournament Champions |
| Tourney: | NCAA tournament |
| Tourney Result: | National Semifinals |
The 1965–66 Duke Blue Devils men's basketball team represented Duke University in the 1965–66 NCAA Division I men's basketball season. The head coach was Vic Bubas[1] and the team finished the season with an overall record of 26–4.[2]