| Tribute Cornwall 1 | |
|---|---|
| Countries | England |
| Champions | Roseland |
| Runners-up | Veor |
| Attendance | |
|
← 2008–09
2010–11 →
|
|
The Cornwall League 1 2009–10 was a full season of rugby union within Cornwall League 1.
Roseland, as Champions, were promoted to the Tribute Cornwall/Devon League for season 2010-11. In the play-off for promotion to the Cornwall/Devon league, Veor lost to Honiton (12 - 43) and remained in the Tribute Cornwall League for the following season.