| 1942 Ottawa Rough Riders season | |
|---|---|
| Head coach | George Fraser |
| Home field | Lansdowne Park |
| Results | |
| Record | 3–1 |
| Division place | 1st, OCSRFU |
| Playoff finish | Lost in OCSRFU Final |
The 1942 Ottawa Rough Riders finished in first place in the Ottawa City Senior Rugby Football Union with a 3–1 record while the Interprovincial Rugby Football Union suspended operations due to World War II. The Rough Riders lost the OCSRFU Final to the Ottawa RCAF Uplands.