# 1940 United States Senate election in Indiana

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The 1940 United States Senate election in Indiana took place on November 5, 1940. Incumbent Democratic U.S. Senator Sherman Minton ran for re-election to a second term, but lost narrowly to Republican Raymond E. Willis.

## General election
### Candidates

* John H. Kingsbury (Socialist)
* Sherman Minton, incumbent Senator since 1935 (Democratic)
* Carl W. Thompson (Prohibition)
* Raymond E. Willis, former State Representative from Angola and nominee for Senate in 1938 (Republican)

### Results

1940 U.S. Senate election in Indiana :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Raymond E. Willis | 888,070 | 50.45% | 2.97 |
| | Democratic | Sherman Minton (incumbent) | 864,803 | 49.13% | 2.33 |
| | Prohibition | Carl W. Thompson | 5,621 | 0.32% | 0.02 |
| | Socialist | John H. Kingsbury | 1,751 | 0.10% | 0.54 |
| Total votes | Total votes | Total votes | 1,760,245 | 100.00% |
| | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic |