| Election Name: | 1982 United States Senate election in Mississippi |
| Country: | Mississippi |
| Flag Year: | 1894 |
| Flag Image: | Flag of Mississippi (1894-1996).svg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1976 United States Senate election in Mississippi |
| Previous Year: | 1976 |
| Election Date: | November 2, 1982 |
| Next Election: | 1988 United States Senate election in Mississippi |
| Next Year: | 1988 |
| Image1: | John C Stennis (cropped).jpg |
| Nominee1: | John C. Stennis |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 414,099 |
| Percentage1: | 64.20% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | John C. Stennis |
| Before Party: | Democratic Party (United States) |
| After Election: | John C. Stennis |
| After Party: | Democratic Party (United States) |
| Nominee2: | Haley Barbour |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 230,927 |
| Percentage2: | 35.80% |
The 1982 United States Senate election in Mississippi was held on November 2, 1982. Incumbent Senator John C. Stennis won re-election to his seventh term. As of, this was the last time Democrats won a U.S. Senate election in Mississippi.