| 1915 Ottawa Rough Riders season | |
|---|---|
| Head coach | Frank Shaughnessy |
| Home field | Lansdowne Park |
| Results | |
| Record | 2–3 |
| League place | 3rd, IRFU |
| Playoff finish | Did not qualify |
The 1915 Ottawa Rough Riders finished in third place in the Interprovincial Rugby Football Union with a 2–3 record and failed to qualify for the playoffs.