 Ontario electoral district | |
|---|---|
| Defunct provincial electoral district | |
| Legislature | Legislative Assembly of Ontario |
| District created | 1926 |
| District abolished | 2007 |
| First contested | 1926 |
| Last contested | 2003 |
Northumberland was an electoral riding in Ontario, Canada. It was created in 1926 from the merger of Northumberland East and Northumberland West. It was abolished in 2007 when it was merged into the new riding of Northumberland—Quinte West.