| 2015 Ontario Scotties Tournament of Hearts | |
|---|---|
 | |
| Host city | Penetanguishene, Ontario |
| Arena | Penetanguishene Curling Club |
| Dates | January 19–25 |
| Winner | Julie Hastings |
| Curling club | Bayview CC, Thornhill |
| Skip | Julie Hastings |
| Third | Christy Trombley |
| Second | Stacey Smith |
| Lead | Katrina Collins |
| Finalist | Sherry Middaugh |
« 2014 2016 » | |
The 2015 Ontario Scotties Tournament of Hearts, the provincial women's curling championship for Southern Ontario, was held January 19 to 25 at the Penetanguishene Curling Club in Penetanguishene, Ontario. The winning Julie Hastings team represented Ontario at the 2015 Scotties Tournament of Hearts in Moose Jaw, Saskatchewan.
The event marked the first tournament to exclude teams from Northern Ontario, which began to have its own entry into the Scotties, the 2015 Northern Ontario Scotties Tournament of Hearts.