The 1964 United States Senate election in Wisconsin was held on November 3, 1964. Incumbent Democrat William Proxmire was re-elected to a second full term in office over Republican Wilbur Renk.
Democratic primary
Candidates
- Kenneth F. Klinkert
- William Proxmire, incumbent senator since 1957
- Arlyn F. Wollenburg
Results
After losing the primary, Klinkert entered the general election as a candidate running on a "Faith and Belief in Man" ticket.
Republican primary
Candidates
- Wilbur N. Renk, candidate for governor in 1962
Results
General election
Candidates
- Wayne Leverenz (Socialist Workers)
- Kenneth F. Klinkert (Faith and Belief in Man)
- William Proxmire, incumbent Senator (Democratic)
- Wilbur N. Renk, candidate for governor in 1962 (Republican)
Results
See also
References