1916 United States Senate election in Minnesota

The 1916 United States Senate election in Minnesota took place on November 7, 1916. It was the first election for either class of U.S. senators held in Minnesota after the ratification of the Seventeenth Amendment to the United States Constitution, which established the popular election of United States senators. Incumbent Senator Moses E. Clapp was defeated in the Republican primary election by former American Bar Association president Frank B. Kellogg. Kellogg went on to defeat former St. Paul Mayor Daniel W. Lawler of the Minnesota Democratic Party, and Prohibition Party challenger Willis Greenleaf Calderwood, in the general election.

Declared

 * Alfred J. Davis, Minneapolis resident who worked in real estate, Democratic candidate in Wisconsin for the 3rd CD in 1896, Democratic nominee for Minnesota state House District 43 in 1912
 * Daniel W. Lawler, Former U.S. Attorney (1886-1891), former Mayor of St. Paul (1908-1910), Democratic nominee for U.S. Senator in 1893 and 1912

Declared

 * Moses E. Clapp, Incumbent U.S. Senator since 1901
 * Adolph O. Eberhart, 17th Governor of Minnesota (1909-1915), attorney and bank director in Mankato, former state Senator from the 11th District (1903-1907), former Lieutenant Governor (1907-1909)
 * Frank B. Kellogg, Former Rochester city attorney (1878-1881), former Olmsted County Attorney (1882-1887), member of the Republican National Committee (1904-1912), former President of the American Bar Association (1912-1913)
 * Charles A. Lindbergh, U.S. Representative from Minnesota's 6th congressional district since 1907, former prosecuting attorney of Morrison County (1891-1893)