| 1958 Ottawa Rough Riders season | |
|---|---|
| Head coach | Frank Clair |
| Home field | Lansdowne Park |
| Results | |
| Record | 6–8 |
| Division place | 3rd, IRFU |
| Playoff finish | Lost East Finals |
The 1958 Ottawa Rough Riders finished in third place in the IRFU with a 6–8 record but lost to the Hamilton Tiger-Cats in the East Finals. This was also the Rough Riders' first season in the Canadian Football League as the league was formed in this year.