1968 United States Senate election in Missouri

The 1968 United States Senate election in Missouri took place on November 5, 1968.

Incumbent Democratic Senator Edward V. Long was defeated in the Democratic primary by Lieutenant Governor Thomas Eagleton. Eagleton narrowly defeated Republican U.S. Representative Thomas B. Curtis in the general election.

Primary elections
Primary elections were held on August 6, 1968.

Candidates

 * W. True Davis Jr., former Assistant Secretary of the Treasury
 * Thomas Eagleton, Lieutenant Governor
 * Beverly Kitching
 * Edward V. Long, incumbent U.S. Senator
 * Lee C. Sutton, former member of the Missouri House of Representatives
 * William McKinley Thomas, perennial candidate

Results
[[File:1968 United States Senate Democratic primary in Missouri results map by county.svg|thumb|275px|center| Eagleton

{{legend|#deedfb|30–40%}}

{{legend|#b4d0ec|40–50%}}

{{legend|#8db8e2|50–60%}}

{{legend|#679fd7|60–70%}}

{{legend|#4187cd|70–80%}} Long

{{legend|#ddf0ca|30–40%}}

{{legend|#b1d68d|40–50%}}

{{legend|#87be51|50–60%}}

{{legend|#63a61f|60–70%}} Davis

{{legend|#f9dfcb|30–40%}}

{{legend|#eab58f|40–50%}}

{{legend|#dc8c53|50–60%}}

{{legend|#cc5f11|60-70%}}

{{legend|#b95107|70-80%}} ]]

Candidates

 * Thomas B. Curtis, U.S. Representative
 * Morris D. Duncan, unsuccessful candidate for Republican nomination for Senate in 1962 and 1964
 * Forest Nave Jr., Republican nominee for Missouri's 4th congressional district in 1966