1970 United States Senate election in Wisconsin
Proxmire: 50–60% 60–70% 70–80% 80–90%
- Elizabeth "Betty" Boardman (Independent)
- John E. Erickson, general manager of the Milwaukee Bucks and former head coach of the Wisconsin Badgers men's basketball team (Republican)
- Edmond G. Hou-Seye, businessman (American Independent)
- William Proxmire, incumbent Senator (Democratic)
- Martha M. Quinn (Socialist Workers)
- Adolf Wiggert (Socialist Labor)
|Democratic||William Proxmire (incumbent)||948,445||70.83%||17.54|
|Republican||John E. Erickson||381,297||28.48%||18.13|
|American Independent||Edmond E. Hou-Seye||6,137||0.46%||N/A|
|Socialist Workers||Martha M. Quinn||580||0.04%||0.01|
|Socialist Labor||Adolf Wiggert||428||0.03%||N/A|
- "Wisconsin businessman, frequent candidate dead at 83". 22 March 2010.
- Clerk of the United States House of Representatives (1971-05-01). "STATISTICS OF THE CONGRESSIONAL ELECTION OF NOVEMBER 3, 1970" (PDF). United States House of Representatives. p. 39. Retrieved 17 June 2021.