| Election Name: | 1966 United States Senate election in Nebraska |
| Country: | Nebraska |
| Flag Year: | 1925 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1960 United States Senate election in Nebraska |
| Previous Year: | 1960 |
| Next Election: | 1972 United States Senate election in Nebraska |
| Next Year: | 1972 |
| Election Date: | November 8, 1966 |
| Image1: | CURTIS, Carl Thomas,.jpg |
| Nominee1: | Carl Curtis |
| Party1: | Republican Party (US) |
| Popular Vote1: | 296,116 |
| Percentage1: | 61.04% |
| Party2: | Democratic Party (US) |
| Popular Vote2: | 187,950 |
| Percentage2: | 38.75% |
| Map Size: | 300px |
| U.S. Senator | |
| Before Party: | Republican Party (US) |
| After Party: | Republican Party (US) |
The 1966 United States Senate election in Nebraska took place on November 8, 1966. The incumbent Republican Senator, Carl Curtis, was re-elected by a wide margin over Governor of Nebraska Frank B. Morrison.