{{infobox election | election_name = canadian federal election, 1940 | country = canada | flag_year = 1921 | type = parliamentary | ongoing = no | party_colour = no | party_name = no | previous_election = canadian federal election, 1935 | previous_year = 1935 | next_election = canadian federal election, 1945 | next_year = 1945 | seats_for_election = 245 seats in the 19th canadian parliament | majority_seats = 123 | election_date = march 26, 1940 | next_mps = 20th canadian parliament | previous_mps = 18th canadian parliament | image1 = 150x150px | colour1 =  | leader1 = w. l. mackenzie king | leader_since1 = 1919 | party1 =  | leaders_seat1 = prince albert | last_election1 = 173 | seats1 = 179 | seat_change1 = +6 | popular_vote1 = 2,365,979 | percentage1 = 51.32% | swing1 = +6.64pp | image2 = 150x150px | colour2 =  | leader2 =robert manion | leader_since2 =1938 | party2 =  | leaders_seat2 =londoncandidate in fort william (lost) | last_election2 =39 | seats2 =39 | seat_change2 =- | popular_vote2 =1,348,260 | percentage2 =29.24% | swing2 =-0.6pp | image3 =150x150px | colour3 =  | leader3 =j. s. woodsworth | leader_since3 =1932 | party3 =  | leaders_seat3 =winnipeg north centre | last_election3 =7 | seats3 =8 | seat_change3 =+1 | popular_vote3 =388,103 | percentage3 =8.42% | swing3 =-1.07pp | image4 =150x150px | colour4 =  | leader4 =j. h. blackmore | leader_since4 =1935 | party4 =  | leaders_seat4 =lethbridge | last_election4 =17 | seats4 =7 | seat_change4 =-10 | popular_vote4 =46,271 | percentage4 =1.00% | swing4 =-1.51pp | image5 = nd | colour5 =  | leader5 =william d. herridge | leader_since5 =1939 | party5 =  | leaders_seat5 =ran in kindersley (lost) | last_election5 =pre-creation | seats5 =3 | seat_change5 =+3 | popular_vote5 =73,083 | percentage5 =1.59% | swing5 =+1.59pp | map_image = canada 1940 federal election.svg | map_size = | map_caption = | title = prime minister | posttitle = prime minister after election | befor
1940_elections_in_Canada Canadian_federal_elections_by_year