| 1926 Ottawa Senators season | |
|---|---|
| Head coach | Dave McCann |
| Home field | Lansdowne Park |
| Results | |
| Record | 5–1 |
| League place | 1st, IRFU |
| Playoff finish | Won Grey Cup |
The 1926 Ottawa Senators finished in first place in the Interprovincial Rugby Football Union with a 5–1 record and successfully repeated as Grey Cup champions by winning the 14th Grey Cup. It was the second Grey Cup championship won by the franchise and was the first ever repeat by an IRFU team.