1956 United States Senate election in Missouri

The 1956 United States Senate election in Missouri took place on November 6, 1956 in Missouri. The incumbent Democratic Senator, Thomas C. Hennings Jr., was re-elected. He defeated Republican nominee Herbert Douglas, winning 56.4% of the vote. Hennings outperformed Democratic presidential nominee Adlai Stevenson II, who won 50.1% in the presidential election in Missouri.

Candidates

 * Thomas C. Hennings Jr., incumbent Senator since 1951

Withdrew

 * Tom J. Gavin, Kansas City councilman (name remained on ballot)

Candidates

 * Herbert Douglas, attorney and candidate for Missouri Attorney General in 1948
 * Albert E. Schoenbeck, attorney
 * William McKinley Thomas, furniture warehouse employee
 * William E. Van Taay, director of economics and sociology at Fontbonne University