| Election Name: | 1970 United States Senate election in West Virginia |
| Election Date: | November 3, 1970 |
| Country: | West Virginia |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1964 United States Senate election in West Virginia |
| Previous Year: | 1964 |
| Next Election: | 1976 United States Senate election in West Virginia |
| Next Year: | 1976 |
| Image1: | File:Robert C. Byrd – 1967.jpg |
| Nominee1: | Robert Byrd |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 345,965 |
| Percentage1: | 77.64% |
| Nominee2: | Elmer Dodson |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 99,658 |
| Percentage2: | 22.36% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | Robert Byrd |
| Before Party: | Democratic Party (United States) |
| After Election: | Robert Byrd |
| After Party: | Democratic Party (United States) |
The 1970 United States Senate election in West Virginia was held on November 3, 1970. Incumbent senator Robert Byrd won re-election by the biggest margin at that point in his career.
The election was held during the 1970 United States Senate elections. In the election Democrats maintained their majority, but lost seats.