| 1990 CIAU University Cup | |
| Venues: | Varsity Arena, Toronto, Ontario |
| Winners: | Moncton Aigles Bleus |
| Count: | 3 |
| Second: | Wilfrid Laurier Golden Hawks |
| Dates: | March 15–17 |
| Games: | 3 |
| Num Teams: | 4 |
| Award Title: | MVP |
| Award: | Rob Dopson (Wilfrid Laurier) |
| Prev Season: | 1989 |
| Next Season: | 1991 |
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.
Note: * denotes overtime period(s)
Note: * denotes overtime period(s)
Note: * denotes overtime period(s)
The bracket matches rotated so that the Atlantic entry played the Western entry while the Ontario entry played the Quebec entry in the semifinals. All rounds were single elimination.
| Team | Qualification | Record | Appearance | Last | |
|---|---|---|---|---|---|
| West: Canada West Champion | 25–6–1 | 7th | 1988 | ||
| Atlantic: AUAA Champion | 22–6–0 | 9th | 1989 | ||
| Quebec: OUAA Runner-up | 19–8–2 | 4th | 1987 | ||
| Ontario: OUAA Champion | 25–3–0 | 4th | 1989 |
Note: * denotes overtime period(s)[1]