Peace River—Westlock is a federal electoral district in Alberta, Canada, that has been represented in the House of Commons of Canada since 2015. Peace River—Westlock was created by the 2012 federal electoral boundaries redistribution and was legally defined in the 2013 representation order. It came into effect upon the call of the 42nd Canadian federal election, scheduled for October 19, 2015. It was created out of parts of Peace River, Fort McMurray—Athabasca, Yellowhead, and Westlock—St. Paul. Conservative Arnold Viersen, a former mechanic, has been the riding's MP since 2015.