The Alberta general election of 1940 was the ninth general election for the Province of Alberta, Canada, was held on March 21, 1940 to elect members of the Legislative Assembly of Alberta. Despite its failure to implement its key policy, providing prosperity certificates to all Albertans, the Social Credit Party of Premier William Aberhart won a second term in government. Nevertheless, it lost a considerable number of seats that it had gained in the 1935 landslide.