| Mode: | basketball |
| Year: | 1990-91 |
| Team: | Notre Dame Fighting Irish |
| Conference: | Independent |
| Record: | 12 - 20 |
| Head Coach: | Digger Phelps |
| Hc Year: | 20th |
| Asst Coach1: | Fran McCaffery |
| Ac1 Year: | 3rd |
| Captain: | Tim Singleton |
| Stadium: | Joyce Center |
The 1990–91 Notre Dame Fighting Irish men's basketball team represented the University of Notre Dame during the 1990-91 college basketball season. It was the final season with Digger Phelps as head coach of the Irish.