| Election Name: | 1956 United States Senate election in Vermont |
| Country: | Vermont |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1950 United States Senate election in Vermont |
| Previous Year: | 1950 |
| Next Election: | 1962 United States Senate election in Vermont |
| Next Year: | 1962 |
| Image1: | GeorgeAiken-VTSEN- (cropped).jpg |
| Nominee1: | George Aiken |
| Party1: | Republican Party (US) |
| Popular Vote1: | 103,101 |
| Percentage1: | 66.39% |
| Party2: | Democratic Party (US) |
| Nominee2: | Bernard O'Shea |
| Popular Vote2: | 52,184 |
| Percentage2: | 33.61% |
| Map Size: | 219px |
| U.S. Senator | |
| Before Election: | George Aiken |
| Before Party: | Republican Party (US) |
| After Election: | George Aiken |
| After Party: | Republican Party (US) |
The 1956 United States Senate election in Vermont took place on November 6, 1956. Incumbent Republican George Aiken ran successfully for re-election to another term in the United States Senate, defeating Democratic nominee Bernard O'Shea, editor of the Swanton Courier.