| Sarnia | |
| Province: | Ontario |
| Prov-Status: | defunct |
| Prov-Created: | 1966 |
| Prov-Abolished: | 1996 |
| Prov-Election-First: | 1967 |
| Prov-Election-Last: | 1995 |
Sarnia was an electoral riding in Ontario, Canada. It was created in 1966 and was abolished in 1996 before the 1999 election. A new district, Sarnia—Lambton, was created from it and from parts of Lambton