| Number: | 27 |
| Type: | Vanier Cup |
| Date: | November 30, 1991 |
| Stadium: | SkyDome |
| City: | Toronto |
| Visitor Name: | Mount Allison Mounties |
| Home Name: | Wilfrid Laurier Golden Hawks |
| Visitor Coach: | Marc Lorange |
| Home Coach: | Rich Newbrough |
| Visitor Record: | 6–2 |
| Home Record: | 5–2 |
| Visitor1: | 0 |
| Visitor2: | 0 |
| Visitor3: | 0 |
| Visitor4: | 18 |
| Home1: | 0 |
| Home2: | 0 |
| Home3: | 0 |
| Home4: | 25 |
| Mvp: | Andy Cecchini, Wilfrid Laurier |
| Attendance: | 28,645 |
The 27th Vanier Cup was played on November 30, 1991, at the SkyDome in Toronto, Ontario, and decided the CIAU football champion for the 1991 season. The Wilfrid Laurier Golden Hawks won their first ever championship by defeating the Mount Allison Mounties by a score of 25–18.[1]