Billy Denault
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William Denault MPP (born 2000 or 2001) is a Canadian politician and Progressive Conservative member of Provincial Parliament (MPP) for Renfrew—Nipissing—Pembroke. He previously served as a member of city council in Arnprior as a councillor since 2022, and worked in accounting as a staff accountant at a local accounting firm.
Election results

| 2025 Ontario general election | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | % | ±% | |
| Progressive Conservative | Billy Denault | 24,297 | 53.79 | -7.33 | |
| Liberal | Oliver Jacob | 9,804 | 22.64 | +12.87 | |
| New Democratic | Marshall Buchanan | 6,607 | 15.25 | -1.85 | |
| Ontario Party | Kevin Holm | 1,587 | 3.66 | +0.77 | |
| Green | Anna Dolan | 1,123 | 2.59 | -1.07 | |
| New Blue | Mark Dickson | 893 | 2.06 | -2.59 | |
| Total valid votes/expense limit | 43,311 | 99.23 | –0.18 | ||
| Total rejected, unmarked, and declined ballots | 336 | 0.77 | +0.18 | ||
| Turnout | 43,647 | ||||
| Eligible voters | |||||
| Progressive Conservative hold | Swing | –10.10 | |||
| Source: Elections Ontario |