United States presidential election in Montana, 1940

The 1940 United States presidential election in Montana took place on November 5, 1940 throughout the continuous 48 states. Voters chose 4 representatives, or electors to the Electoral College, who voted for President and Vice President.

Montana voted overwhelmingly to give Democratic nominee, President Franklin D. Roosevelt an unprecedented third term, over the Republican nominee, corporate lawyer Wendell Willkie, a dark horse candidate that had never before run for a political office. Roosevelt won Montana by a landslide margin of 18.61%.