Alexis Brunelle-Duceppe (Bloc Québécois) won Lac-Saint-Jean in the April 28, 2025 federal election with 46.2% of the vote, 9,533 votes (20 points) ahead of Denis Lemieux (Liberal). 47,756 valid votes were counted in this Quebec riding.
| Candidate | Votes | Share |
|---|---|---|
| Alexis Brunelle-Duceppe · Bloc Québécoiselectedincumbent Parliamentarian · Alma, Que. | 22,069 | 46.2% |
| Denis Lemieux · Liberal Retired · Saint-Nazaire-du-Lac-Saint-Jean, Que. | 12,536 | 26.3% |
| Dave Blackburn · Conservative Professor / Researcher · Gatineau, Que. | 11,792 | 24.7% |
| Hugues Boily-Maltais · NDP Social Worker · Dolbeau-Mistassini, Que. | 819 | 1.7% |
| Lorie Bouchard · People's Party Teacher · Saint-Ambroise, Que. | 540 | 1.1% |
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.