The 1986 United States Senate election in Missouri was held on November 4, 1986. Incumbent Democratic Senator Thomas Eagleton decided to retire instead of seeking a fourth term. Republican former Governor Kit Bond won the open seat. Kit Bond was the first Republican to win the Class 3 Senate seat in Missouri since 1944, and the first Republican to get over 50% of the vote for this seat since 1920. This was the only seat that Republicans flipped in 1986.

1986 United States Senate election in Missouri

← 1980 November 4, 1986 1992 →

Nominee Kit Bond Harriett Woods Party Republican Democratic Popular vote 777,612 699,624 Percentage 52.64% 47.36%

County results Bond:      50-60%      60-70%      70-80% Woods:      50–60%      60–70%

U.S. senator before election Thomas Eagleton Democratic Elected U.S. Senator Kit Bond Republican