Bradley Ryan Trost (born May 15, 1974) is a former Canadian politician who served as a Conservative Member of Parliament in the House of Commons of Canada, representing the ridings of Saskatoon—Humboldt from 2004 to 2015 and Saskatoon—University from 2015 to 2019. He was a candidate in the 2017 Conservative Party of Canada leadership election, finishing fourth. Trost was known for his support of socially conservative positions.