| Election Name: | 1952 United States Senate election in Wisconsin |
| Country: | Wisconsin |
| Flag Year: | 1913 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1946 United States Senate election in Wisconsin |
| Previous Year: | 1946 |
| Next Election: | 1957 United States Senate elections#Wisconsin |
| Next Year: | 1957 (special) |
| Election Date: | November 4, 1952 |
| Image1: | Joseph McCarthy adjusted.jpg |
| Nominee1: | Joseph McCarthy |
| Party1: | Republican Party (US) |
| Popular Vote1: | 870,444 |
| Percentage1: | 54.23% |
| Party2: | Democratic Party (US) |
| Popular Vote2: | 731,402 |
| Percentage2: | 45.57% |
| U.S. Senator | |
| Before Party: | Republican Party (US) |
| After Party: | Republican Party (US) |
| Map Size: | 250px |
The 1952 United States Senate election in Wisconsin was held on November 4, 1952.
Incumbent Senator Joseph McCarthy was elected to a second term in office over Democrat Thomas E. Fairchild. McCarthy did not complete his term; he died on May 2, 1957, and was succeeded by William Proxmire in a special election.
, this is the last time that a Republican has won the Class 1 Senate seat in Wisconsin.
The 1952 race was much closer than McCarthy's 1946 victory, and he trailed Republican presidential candidate Dwight D. Eisenhower by around 100,000 votes in the state.