| 1991 Saskatchewan Roughriders season | |
|---|---|
| General manager | Alan Ford |
| Head coach | John Gregory (1–6) Don Matthews (5–6) |
| Home field | Taylor Field |
| Results | |
| Record | 6–12 |
| Division place | 4th, West |
| Playoff finish | Did not qualify |
| Uniform | |
 | |
The 1991 Saskatchewan Roughriders season was the 77th season in the club's 81st year of existence. The team finished in fourth place in the Canadian Football League's West Division with a 6–12 record. The Roughriders began the season with a 1–6 record and subsequently fired head coach John Gregory and replaced him with Don Matthews who finished the season with a 5–6 record.[1] The stronger end to the season was not enough as the team failed to qualify for the playoffs for the first time since 1987.
This season, the Roughriders set the following CFL records:
- most points scored against one season (710)
- most passes thrown one team one game (65)
They set the following team records:
- most points scored one season (606)
- most total touchdowns one season (62)
- most passing touchdowns one season (41)
- most passing touchdowns one game (6)