| Tournament details | |
|---|---|
| Venue(s) | Varsity Arena, Toronto, Ontario |
| Dates | March 15–17 |
| Teams | 4 |
| Final positions | |
| Champions | Moncton Aigles Bleus (3rd title) |
| Runner-up | Wilfrid Laurier Golden Hawks |
| Tournament statistics | |
| Games played | 3 |
| MVP | Rob Dopson (Wilfrid Laurier) |
The 1990 CIAU Men's University Cup Hockey Tournament (28th annual) was held at the Varsity Arena in Toronto, Ontario. The Toronto Varsity Blues served as tournament host.