| Election Name: | 1821 Mississippi gubernatorial election |
| Type: | presidential |
| Previous Election: | 1819 Mississippi gubernatorial election |
| Previous Year: | 1819 |
| Next Election: | 1823 Mississippi gubernatorial election |
| Next Year: | 1823 |
| Ongoing: | no |
| Election Date: | August 6, 1821 |
| Image1: | File:Walter_Leake.jpg |
| Nominee1: | Walter Leake |
| Party1: | Democratic-Republican Party (United States) |
| Popular Vote1: | 4,780 |
| Percentage1: | 77.1% |
| Nominee2: | Charles B. Green |
| Party2: | Democratic-Republican Party (United States) |
| Popular Vote2: | 1,419 |
| Percentage2: | 22.9% |
| Governor | |
| Before Election: | George Poindexter |
| Before Party: | Democratic-Republican Party (United States) |
| After Election: | Walter Leake |
| After Party: | Democratic-Republican Party (United States) |
The 1821 Mississippi gubernatorial election was held on August 6, 1821, to elect the governor of Mississippi. Walter Leake, a Democratic-Republican won against Charles B. Green, another Democratic Republican.[1] [2]