| Election Name: | 1944 United States Senate election in Wisconsin |
| Country: | Wisconsin |
| Flag Year: | 1913 |
| Type: | presidential |
| Ongoing: | Yes |
| Previous Election: | 1938 United States Senate election in Wisconsin |
| Previous Year: | 1938 |
| Next Election: | 1950 United States Senate election in Wisconsin |
| Next Year: | 1950 |
| Election Date: | November 7, 1944 |
| Image1: | File:Alexander Wiley.png |
| Nominee1: | Alexander Wiley |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 634,513 |
| Percentage1: | 50.50% |
| Nominee2: | Howard J. McMurray |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 537,144 |
| Percentage2: | 42.75% |
| Image3: | File:Harry Sauthoff (Wisconsin congressman) 2.jpg |
| Nominee3: | Harry Sauthoff |
| Party3: | Wisconsin Progressive Party |
| Popular Vote3: | 73,089 |
| Percentage3: | 5.82% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | Alexander Wiley |
| Before Party: | Republican Party (United States) |
| After Election: | Alexander Wiley |
| After Party: | Republican Party (United States) |
The 1944 United States Senate election in Wisconsin was held on November 7, 1944. Incumbent Republican U.S. Senator Alexander Wiley was re-elected to a second term in office over Howard J. McMurray and Harry Sauthoff. Future Senator Joseph McCarthy challenged Wiley in the Republican primary.