The 1966 Wisconsin gubernatorial election was held on November 8, 1966. Republican Warren P. Knowles won the election with 53.50% of the vote, winning his second term as Governor of Wisconsin and defeating Democratic incumbent lieutenant governor and future governor Patrick J. Lucey.
Primary election
The primary election was held on September 13, 1966.
Republican party
Candidates
- Warren P. Knowles, incumbent governor
Democratic party
Candidates
- David Carley, nominee for Lieutenant Governor of Wisconsin in 1962
- Dominic H. Frinzi, candidate for Democratic nomination in 1964
- Patrick J. Lucey, Lieutenant Governor of Wisconsin
- Abe L. Swed
General election
Candidates
- Warren P. Knowles, Republican
- Patrick J. Lucey, Democrat
- Adolf Wiggert, Independent
Results by county
This was the only time between 1952 and 1990 that Bayfield County voted for the Republican candidate.
Counties that flipped from Democratic to Republican
- Bayfield
- Burnett
- Dane
- Eau Claire
- Florence
- Polk
- Racine
- Sheboygan
Counties that flipped from Republican to Democratic