1980 United States Senate election in Missouri

The 1980 United States Senate election in Missouri was held on November 4, 1980. Incumbent Senator Thomas Eagleton defeated Republican nominee Gene McNary with 52.00% of the vote. As of 2024, this is the last time the Democrats won the Class 3 Senate seat in Missouri.

Primary elections
Primary elections were held on August 5, 1980.

Candidates

 * Thomas Eagleton, incumbent United States Senator
 * Lee C. Sutton, former State Representative
 * Herb Fillmore

Candidates

 * Gene McNary, County Executive of St. Louis County
 * David Doctorian, State Senator
 * Morris Duncan
 * Gregory Hansman

Candidates
Major party candidates
 * Thomas Eagleton, Democratic
 * Gene McNary, Republican

Other candidates
 * Martha Pettit, Socialist Workers