| Election Name: | 1974 United States Senate election in Oklahoma |
| Country: | Oklahoma |
| Flag Year: | 1941 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1968 United States Senate election in Oklahoma |
| Previous Year: | 1968 |
| Next Election: | 1980 United States Senate election in Oklahoma |
| Next Year: | 1980 |
| Election Date: | November 3, 1974 |
| Image1: | BellmonHL.jpg |
| Nominee1: | Henry Bellmon |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 390,997 |
| Percentage1: | 49.38% |
| Nominee2: | Ed Edmondson |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 387,162 |
| Percentage2: | 48.90% |
| U.S. Senator | |
| Before Election: | Henry Bellmon |
| Before Party: | Republican Party (United States) |
| After Election: | Henry Bellmon |
| After Party: | Republican Party (United States) |
The 1974 United States Senate election in Oklahoma was held November 3, 1974. Incumbent Republican U.S. Senator Henry Bellmon narrowly won re-election to a second term, beating Representative Ed Edmondson (D-OK) by nearly 4,000 votes. Henry Bellmon was the first Republican United States Senator from Oklahoma ever to win re-election to a second term and to be re-elected.