| Election Name: | 1984 United States Senate election in Arkansas |
| Country: | Arkansas |
| Flag Year: | 1924 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1978 United States Senate election in Arkansas |
| Previous Year: | 1978 |
| Next Election: | 1990 United States Senate election in Arkansas |
| Next Year: | 1990 |
| Election Date: | November 6, 1984 |
| Image1: | File:AR Pryor David (cropped).jpg |
| Nominee1: | David Pryor |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 502,341 |
| Percentage1: | 57.35% |
| Nominee2: | Ed Bethune |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 373,615 |
| Percentage2: | 42.65% |
| Map Size: | 210px |
| U.S. Senator | |
| Before Election: | David Pryor |
| Before Party: | Democratic Party (United States) |
| After Election: | David Pryor |
| After Party: | Democratic Party (United States) |
The 1984 United States Senate election in Arkansas was held on November 6, 1984. Incumbent Democratic U.S. Senator David Pryor won re-election to a second term.