| 1989 CIAU University Cup | |
| Venues: | Varsity Arena, Toronto, Ontario |
| Winners: | York Yeomen |
| Count: | 3 |
| Second: | Wilfrid Laurier Golden Hawks |
| Dates: | March 16–18 |
| Games: | 3 |
| Num Teams: | 4 |
| Award Title: | MVP |
| Award: | Mark Applewhaite (York) |
| Prev Season: | 1988 |
| Next Season: | 1990 |
The 1989 CIAU Men's University Cup Hockey Tournament (27th annual) was held at the Varsity Arena in Toronto, Ontario. The Toronto Varsity Blues served as tournament host.
Note: * denotes overtime period(s)
‡ York advanced due to being the defending conference champion.
Note: * denotes overtime period(s)
Note: * denotes overtime period(s)
The bracket matches rotated so that the Atlantic entry played the Ontario entry while the Quebec entry played the Western entry in the semifinals. All rounds were single elimination.
| Team | Qualification | Record | Appearance | Last | |
|---|---|---|---|---|---|
| West: Canada West Champion | 25–8–0 | 18th | 1987 | ||
| Atlantic: AUAA Champion | 29–4–0 | 8th | 1986 | ||
| Ontario: OUAA Champion | 19–10–3 | 3rd | 1986 | ||
| Quebec: OUAA Runner-up | 17–13–3 | 6th | 1988 |
Note: * denotes overtime period(s)[1]