đ The Canadian federal electoral district of Thornhill was contested during the 2025 Federal election which was held on April 28, 2025.
đ Melissa Lantsman, the Conservative candidate, won the riding with 44,419 votes making up a 66.4% share of the vote.
đ„ The runner-up Liberal candidate, Liane Kotler, received 20,873 votes (31.2%) and was therefore defeated by a vote margin of 23,546.
