Robert Cerjanec (LIB) won Ajax in the February 27, 2025 Ontario general election with 45% of the vote, 331 votes (0.8 points) ahead of Patrice Barnes (PC). 41,142 valid votes were counted.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Robert Cerjanecelected | Liberal | 18,499 | 45% |
| Patrice Barnes | Progressive Conservative | 18,168 | 44.2% |
| Arthur Augustine | New Democratic | 2,884 | 7% |
| Cory Feferman | Green | 866 | 2.1% |
| Chris Rees | New Blue | 413 | 1% |
| Sarah Qureshi | Other | 312 | 0.8% |
Source: Elections Ontario, Official Return from the Records for the 2025 general election, and 2022 electoral district boundaries.