Wellington South (provincial electoral district)
| Ontario electoral district | |
|---|---|
| Defunct provincial electoral district | |
| Legislature | Legislative Assembly of Ontario | 
| District created | 1867 | 
| District abolished | 1986 | 
| First contested | 1867 | 
| Last contested | 1985 | 
Wellington South was an electoral riding in Ontario, Canada. It was created in 1867 at the time of confederation and was abolished in 1986 before the 1987 election.