# Markham—Thornhill (provincial electoral district)

Markham—Thornhill is a provincial electoral district in Ontario, Canada. It elects one member to the Legislative Assembly of Ontario. The riding was created in 2015.

## Members of Provincial Parliament

Markham—Thornhill :
| Assembly | Years | Member | Party |
| Riding created from Markham—Unionville and Thornhill |||||
| 42nd | 2018–2022 | Logan Kanapathi | Progressive Conservative |
| 43rd | 2022–2025 | Logan Kanapathi | Progressive Conservative |
| 44th | 2025–present | Logan Kanapathi | Progressive Conservative |

## Election results

2025 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Logan Kanapathi | 14,287 | 53.58 | +4.76 |
| | Liberal | Nirmala Armstrong | 10,580 | 39.68 | +2.18 |
| | New Democratic | Paul Sahbaz | 1,176 | 4.41 | –4.64 |
| | Green | Shane O'Brien | 623 | 2.34 | –0.21 |
| Total valid votes | Total valid votes | Total valid votes | 26,666 | 99.31 | –0.27 |
| Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | 185 | 0.69 | +0.27 |
| Turnout | Turnout | Turnout | 26,851 | 37.14 | –2.54 |
| Eligible voters | Eligible voters | Eligible voters | 72,291 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | +1.29 |
| Source: Elections Ontario |||||||
vte2022 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Logan Kanapathi | 14,011 | 48.82 | −1.63 |
| | Liberal | Sandra Tam | 10,763 | 37.50 | +13.11 |
| | New Democratic | Matthew Henriques | 2,597 | 9.05 | −12.28 |
| | Green | Zane Abulail | 733 | 2.55 | +0.27 |
| | New Blue | Jennifer Gleason | 376 | 1.31 | |
| | Centrist | Mansoor Qureshi | 219 | 0.76 | |
| Total valid votes | Total valid votes | Total valid votes | 28,699 | 100.0 |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | 121 |
| Turnout | Turnout | Turnout | 28,820 | 39.68 |
| Eligible voters | Eligible voters | Eligible voters | 72,345 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | −7.37 |
| Source(s) "Summary of Valid Votes Cast for Each Candidate" (PDF). Elections Ontario. 2022. Archived from the original on 2023-05-18."Statistical Summary by Electoral District" (PDF). Elections Ontario. 2022. Archived from the original on 2023-05-21. |||||||
2018 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Logan Kanapathi | 18,943 | 50.45 | +15.60 |
| | Liberal | Juanita Nathan | 9,160 | 24.40 | –26.97 |
| | New Democratic | Cindy Hackelberg | 8,010 | 21.33 | +11.14 |
| | Green | Caryn Bergmann | 859 | 2.29 | –0.04 |
| | Libertarian | David Nadler | 408 | 1.09 | N/A |
| | Independent | Jeff Kuah | 168 | 0.45 | N/A |
| Total valid votes | Total valid votes | Total valid votes | 37,548 | 100.0 |
| | Progressive Conservative notional gain from Liberal | Progressive Conservative notional gain from Liberal | Swing | Swing | +21.29 |
| Source: Elections Ontario |||||||
2014 general election redistributed results :
| Party | Vote | % |
| Liberal | 16,074 | 51.37 |
| Progressive Conservative | 10,904 | 34.85 |
| New Democratic | 3,187 | 10.19 |
| Green | 729 | 2.33 |
| Others | 394 | 1.26 |