Amy Jean Klobuchar is an American politician and lawyer serving as the senior United States senator from Minnesota, a seat she has held since 2007. A member of the Minnesota Democratic–Farmer–Labor Party (DFL), Minnesota's affiliate of the Democratic Party, she previously served as the county attorney of Hennepin County, Minnesota.

The 2012 United States Senate election in Minnesota took place on November 6, 2012, concurrently with the U.S. presidential election as well as other elections to the United States Senate and House of Representatives as well as various state and local elections. Incumbent Democratic–Farmer–Labor U.S. Senator Amy Klobuchar faced Republican State Representative Kurt Bills. Klobuchar was reelected in a landslide, defeating Bills by almost one million votes and carrying all but two of the state's 87 counties by double digits. This election marked the first time since 1996 that an incumbent Democratic senator was re-elected and the first time since 1976 that an incumbent Democratic senator was re-elected to this seat.