2025 Battle River—Crowfoot federal by-election

A by-election was held on August 18, 2025, to elect a member of Parliament (MP) to represent Battle River—Crowfoot, Alberta, in the House of Commons for the remainder of the 45th Parliament following the resignation of Conservative Party MP Damien Kurek. The by-election was won by Pierre Poilievre, the leader of the Conservative Party, subsequently making him the leader of the Official Opposition.