Lisa Hepfner (Liberal) won Hamilton Mountain in the April 28, 2025 federal election with 45.6% of the vote, 2,445 votes (4.1 points) ahead of Ken Hewitt (Conservative). 59,893 valid votes were counted in this Ontario riding.
| Candidate | Votes | Share |
|---|---|---|
| Lisa Hepfner · Liberalelectedincumbent Parliamentarian · Oakville, Ont. | 27,302 | 45.6% |
| Ken Hewitt · Conservative Self-Employed / Financial Services · Turkey Point, Ont. | 24,857 | 41.5% |
| Monique Taylor · NDP Parliamentarian · Hamilton, Ont. | 7,044 | 11.8% |
| Bing Wong · People's Party Entrepreneur / Small Business Owner · Hamilton, Ont. | 497 | 0.8% |
| Rolf Gerstenberger · Marxist-Leninist Steel Worker · Hamilton, Ont. | 193 | 0.3% |
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.