Ernest Lundeen, Former U.S. Representative from Minnesota's 5th congressional district (1917-1919), attorney from Minneapolis, former state Representative from the 42nd House District (1911-1915), Republican candidate for the 5th CD in 1914, 1918, 1920, independent candidate for the 5th CD in 1920, Republican candidate for U.S. Senate in 1922 and 1923, candidate Chief Justice of the Minnesota Supreme Court in 1924, Farmer-Labor nominee for Minnesota's 10th Congressional District in 1926, Farmer-Labor nominee for the 5th CD in 1929[1]
John F. Selb, Former State Representative from the 35th House District (1905-1907; 1909-1911), former registrar of the Railroad and Warehouse Commission, Minneapolis attorney[3]
Rudolph Harju, Resident of New York Mills, nominated by petition[4]
Democratic
Einar Hoidale, Attorney from Minneapolis, former prosecuting attorney of Brown County (1900-1906), former judge advocate of the state militia (1900-1908), Democratic candidate for Minnesota's 5th Congressional District CD in 1910 and 1912, Democratic nominee for the 5th CD in 1929[4]
Independent
Charles A. Lund, Banker and attorney from Vining, state Senator from the 50th Senate District (1923-1931), Republican candidate for Treasurer in 1920, Republican candidate for Lieutenant Governor in 1930[4]
^ abcUniversity of Minnesota Libraries, University of Minnesota. "1930 Minnesota U.S. Senate Election". Minnesota Historical Election Archive. Archived from the original on August 24, 2021. Retrieved August 24, 2021.