1909 Ottawa Rough Riders season
| 1909 Ottawa Rough Riders season | |
|---|---|
| Head coach | Tom Clancy |
| Home stadium | Lansdowne Park |
| Results | |
| Record | 5–1 |
| League place | 2nd, IRFU |
| Playoffs | Lost Eastern Final |
The 1909 Ottawa Rough Riders finished in second place in the Interprovincial Rugby Football Union with a 5–1 record and qualified for the playoffs for the second straight year. They defeated the Hamilton Tigers in a league playoff, avenging last year's loss, but lost to the Toronto Varsity Blues in the Eastern Final.