| Election Name: | 1914 United States Senate election in Connecticut |
| Country: | Connecticut |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1909 United States Senate election in Connecticut |
| Previous Year: | 1909 |
| Next Election: | 1920 United States Senate election in Connecticut |
| Next Year: | 1920 |
| Election Date: | November 3, 1914 |
| Image1: | File:Frank Bosworth Brandegee.jpg |
| Nominee1: | Frank B. Brandegee |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 216,792 |
| Percentage1: | 49.8% |
| Nominee2: | Simeon E. Baldwin |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 131,824 |
| Percentage2: | 42.1% |
| Map Size: | 220px |
| U.S. Senator | |
| Before Election: | Frank B. Brandegee |
| Before Party: | Republican Party (US) |
| After Election: | Frank B. Brandegee |
| After Party: | Republican Party (US) |
The 1914 United States Senate election in Connecticut was held on November 3, 1914.
Incumbent Senator Frank B. Brandegee was re-elected to a second term in office over Democratic U.S. Representative Augustine Lonergan.