| Election Name: | 1984 United States Senate election in Alabama |
| Country: | Alabama |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1978 United States Senate election in Alabama |
| Previous Year: | 1978 |
| Next Election: | 1990 United States Senate election in Alabama |
| Next Year: | 1990 |
| Election Date: | November 6, 1984 |
| Image1: | File:HowellHeflin (1).jpg |
| Nominee1: | Howell Heflin |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 857,535 |
| Percentage1: | 62.68% |
| Nominee2: | Albert L. Smith Jr. |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 498,508 |
| Percentage2: | 36.43% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | Howell Heflin |
| Before Party: | Democratic Party (United States) |
| After Election: | Howell Heflin |
| After Party: | Democratic Party (United States) |
The 1984 United States Senate election in Alabama was held on November 6, 1984.
Incumbent Democratic Senator Howell Heflin was easily re-elected to a second term.
Heflin received 94% of the black vote.