The 1956 United States Senate election in Wisconsin was held on November 6, 1956.
IncumbentRepublican U.S. Senator
Alexander Wiley was re-elected to a fourth term in office. He survived a close primary challenge from U.S. Representative
Glenn R. Davis before defeating
Henry Maier in the general election. This election marks the last Senate election in Wisconsin to date in which the Republican candidate won
Milwaukee County.