| 1931 Ottawa Rough Riders season | |
|---|---|
| Head coach | Dave McCann |
| Home field | Lansdowne Park |
| Results | |
| Record | 0–6 |
| League place | 4th, IRFU |
| Playoff finish | Did not qualify |
The 1931 Ottawa Rough Riders finished in fourth place in the Interprovincial Rugby Football Union with a 0–6 record and failed to qualify for the playoffs.