The 1952 United States Senate election in Delaware took place on November 4, 1952. Incumbent Republican U.S. Senator
John J. Williams was re-elected to a second term in office over Democratic Lieutenant Governor
Alexis I. du Pont Bayard, the son of former Senator
Thomas F. Bayard, Jr. and descendant of two of Delaware's most powerful families, the
du Ponts and the
Bayards.