| Election Name: | 1966 United States Senate election in Rhode Island |
| Country: | Rhode Island |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1960 United States Senate election in Rhode Island |
| Previous Year: | 1960 |
| Next Election: | 1972 United States Senate election in Rhode Island |
| Next Year: | 1972 |
| Election Date: | November 8, 1966 |
| Image1: | File:Sen Claiborne Pell.jpg |
| Nominee1: | Claiborne Pell |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 219,331 |
| Percentage1: | 67.66% |
| Nominee2: | Ruth M. Briggs |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 104,838 |
| Percentage2: | 32.34% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | Claiborne Pell |
| Before Party: | Democratic Party (United States) |
| After Election: | Claiborne Pell |
| After Party: | Democratic Party (United States) |
The 1966 United States Senate election in Rhode Island took place on November 8, 1966. Incumbent Democratic U.S. Senator Claiborne Pell successfully sought re-election, defeating Republican Ruth M. Briggs with 67.66% of the vote.
Primary elections were held on September 13, 1966.