| Diane Hamelin | |
| Party: | Parti Québécois |
| Residence: | Mascouche, Quebec, Canada |
| Office: | MNA for Masson |
| Term Start: | 2012 |
| Term End: | 2014 |
| Predecessor: | Guillaume Tremblay |
| Successor: | Mathieu Lemay |
Diane Gadoury Hamelin is a Canadian politician. She was a Parti Québécois member of the National Assembly of Quebec for the riding of Masson from 2012 to 2014, first elected in the 2012 election.[1]