1956 United States Senate election in Wisconsin

The 1956 United States Senate election in Wisconsin was held on November 6, 1956. Incumbent Republican 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.

Candidates

 * Howard H. Boyle
 * Glenn R. Davis, U.S. Representative from Waukesha
 * Alexander Wiley, incumbent U.S. Senator since 1939

Candidates

 * Henry Maier, State Senator from Milwaukee (Democratic)
 * Alexander Wiley, incumbent U.S. Senator since 1939 (Republican)
 * Walter Semrau (Independent)