| Election Name: | 1984 United States Senate election in Oklahoma |
| Country: | Oklahoma |
| Flag Image: | Flag of Oklahoma (1941–1988).svg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1978 United States Senate election in Oklahoma |
| Previous Year: | 1978 |
| Next Election: | 1990 United States Senate election in Oklahoma |
| Next Year: | 1990 |
| Election Date: | November 6, 1984 |
| Nominee1: | David Boren |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 906,131 |
| Percentage1: | 75.64% |
| Nominee2: | Bill Crozier |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 280,638 |
| Percentage2: | 23.43% |
| U.S. Senator | |
| Before Election: | David Boren |
| Before Party: | Democratic Party (United States) |
| After Election: | David Boren |
| After Party: | Democratic Party (United States) |
The 1984 United States Senate election in Oklahoma was held on November 6, 1984.
Incumbent Senator David Boren was re-elected to a second term in office in a landslide. This was the last time that a Senate candidate was elected to the United States Senate in Oklahoma at the same time that a presidential candidate of a different political party won Oklahoma.