1970 United States Senate election in Minnesota

The 1970 United States Senate election in Minnesota took place on November 3, 1970. Incumbent Democratic U.S. Senator Eugene McCarthy opted not to seek reelection. Former Democratic U.S. Senator, former Vice President and 1968 presidential nominee Hubert Humphrey defeated Republican U.S. Representative Clark MacGregor.

Declared

 * Earl D. Craig
 * Hubert H. Humphrey, Democratic nominee for President in 1968, former Vice President of the United States (1965-1969), former U.S. Senator (1949-1964)

Declared

 * John D. Baucom
 * Clark MacGregor, U.S. Representative from Minnesota's 3rd congressional district since 1961