|Ontario electoral district|
|Defunct provincial electoral district|
|Legislature||Legislative Assembly of Ontario|
|Census divisions||Cochrane District|
|Census subdivisions||Iroquois Falls, Timmins|
Cochrane South was a provincial electoral district in Ontario, Canada, that was represented in the Legislative Assembly of Ontario from 1926 to 1999. It encompassed the southern part of the Cochrane District, including the city of Timmins.
For the 1999 election, in which all electoral districts in the province were realigned to match their federal counterparts, Cochrane South was divided between the new districts of Timmins—James Bay and Timiskaming—Cochrane.
This riding has elected the following members of the Legislative Assembly of Ontario:
|17th||1926-1929||Alfred Franklin Kenning||Conservative|
|20th||1937-1943||Charles Vincent Gallagher||Liberal|
|21st||1943-1945||Bill Grummett||Cooperative Commonwealth Federation|
|25th||1955-1959||Wilf Spooner||Progressive Conservative|
|28th||1967-1971||Bill Ferrier||New Democrat|
|31st||1977-1981||Alan Pope||Progressive Conservative|
|35th||1990-1995||Gilles Bisson||New Democrat|