The 1920 Minnesota lieutenant gubernatorial election took place on November 2, 1920. Republican Party of Minnesota candidate Louis L. Collins defeated Independent challenger George H. Mallon and Minnesota Democratic Party candidate . Captain Mallon was the nominee of the young Minnesota Farmer-Labor Party. However, the Farmer-Labor nominees for Governor and Lieutenant Governor in the general election of 1920 were unable to use the Farmer-Labor party designation and ran as Independents instead.