| Sport: | basketball |
| Year: | 1964–65 |
| Prev Year: | 1963–64 |
| Next Year: | 1965–66 |
| Team: | Marquette Warriors |
| Conference: | Independent |
| Record: | 8–18 |
| Head Coach: | Al McGuire |
| Captain: | Tom Flynn |
| Arena: | Marquette Gymnasium |
The 1964–65 Marquette Warriors men's basketball team represented Marquette University during the 1964–65 men's college basketball season. It was Al McGuire's first season as head coach.