| 1991 Ottawa Rough Riders season | |
|---|---|
| Head coach | Joe Faragalli |
| Home field | Frank Clair Stadium |
| Results | |
| Record | 7–11 |
| Division place | 3rd, East |
| Playoff finish | Lost East Semi-Final |
| Uniform | |
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The 1991 Ottawa Rough Riders finished third place in the East Division with a 7–11 record. They were defeated in the East Semi-Final by the Winnipeg Blue Bombers.