Patricia Lattanzio (Liberal) won Saint-Léonard—Saint-Michel in the April 28, 2025 federal election with 65.3% of the vote, 18,376 votes (44.7 points) ahead of Panagiota Koroneos (Conservative). 41,066 valid votes were counted in this Quebec riding.
| Candidate | Votes | Share |
|---|---|---|
| Patricia Lattanzio · Liberalelectedincumbent Parliamentarian · Saint-Léonard, Que. | 26,833 | 65.3% |
| Panagiota Koroneos · Conservative Communications · Orléans, Ont. | 8,457 | 20.6% |
| Laurie Lelacheur · Bloc Québécois Student · Repentigny, Que. | 2,938 | 7.2% |
| Marwan El Attar · NDP Lawyer · Montréal, Que. | 2,450 | 6% |
| Caroline Mailloux · People's Party Student · Montréal, Que. | 388 | 0.9% |
Source: Elections Canada, official results of the April 28, 2025 general election. Candidates marked as incumbents follow Elections Canada's table. Results are not updated for by-elections or floor-crossings since; changes we have recorded are listed above the results.