| Election Name: | 1821 Alabama gubernatorial election |
| Country: | Alabama |
| Flag Year: | 1819 |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1819 Alabama gubernatorial election |
| Previous Year: | 1819 |
| Next Election: | 1823 Alabama gubernatorial election |
| Next Year: | 1823 |
| Election Date: | August 6, 1821 |
| Nominee1: | Israel Pickens |
| Party1: | Democratic-Republican Party |
| Popular Vote1: | 9,616 |
| Percentage1: | 57.43% |
| Nominee2: | Henry H. Chambers |
| Party2: | Democratic-Republican Party |
| Popular Vote2: | 7,129 |
| Percentage2: | 42.57% |
| Map Size: | 170px |
| Governor | |
| Before Election: | Thomas Bibb |
| Before Party: | Democratic-Republican Party |
| After Election: | Israel Pickens |
| After Party: | Democratic-Republican Party |
The 1821 Alabama gubernatorial election was held on August 6, 1821, to elect the third governor of Alabama. Democratic-Republican candidate Israel Pickens defeated fellow Democratic-Republican candidate Henry H. Chambers with 57.43% of the vote.
| Israel PickensDemocratic-Republican | Henry ChambersDemocratic-Republican | Total votes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| % | % | ||||||||||
| align="center" | Autagua | align="center" | 330 | align="center" | 64.1% | align="center" | 185 | align="center" | 35.9% | align="center" | 515 |
| align="center" | Baldwin | align="center" | 98 | align="center" | 51.5% | align="center" | 96 | align="center" | 48.5% | align="center" | 194 |
| align="center" | Bibb | align="center" | 215 | align="center" | 42.8% | align="center" | 287 | align="center" | 57.2% | align="center" | 502 |
| align="center" | Blount & Jefferson | align="center" | 510 | align="center" | 47.4% | align="center" | 566 | align="center" | 52.6% | align="center" | 1,076 |
| align="center" | Butler & Conecuh | align="center" | 569 | align="center" | 93.6% | align="center" | 39 | align="center" | 6.4% | align="center" | 608 |
| align="center" | Clarke | align="center" | 569 | align="center" | 93.1% | align="center" | 42 | align="center" | 6.9% | align="center" | 611 |
| align="center" | Dallas | align="center" | 454 | align="center" | 53.6% | align="center" | 393 | align="center" | 46.4% | align="center" | 847 |
| align="center" | Franklin | align="center" | 329 | align="center" | 56.5% | align="center" | 253 | align="center" | 43.5% | align="center" | 612 |
| align="center" | Greene & Marengo | align="center" | 713 | align="center" | 89.2% | align="center" | 86 | align="center" | 10.8% | align="center" | 799 |
| align="center" | Jackson | align="center" | 392 | align="center" | 38.5% | align="center" | 625 | align="center" | 61.5% | align="center" | 1,017 |
| align="center" | Lauderdale | align="center" | 308 | align="center" | 54.4% | align="center" | 258 | align="center" | 45.6% | align="center" | 566 |
| align="center" | Lawrence | align="center" | 516 | align="center" | 51.8% | align="center" | 481 | align="center" | 48.2% | align="center" | 997 |
| align="center" | Limestone | align="center" | 169 | align="center" | 16.0% | align="center" | 886 | align="center" | 84.0% | align="center" | 1,055 |
| align="center" | Madison | align="center" | 948 | align="center" | 44.8% | align="center" | 1,168 | align="center" | 55.2% | align="center" | 2,116 |
| align="center" | Marion | align="center" | 158 | align="center" | 90.8% | align="center" | 16 | align="center" | 9.2% | align="center" | 174 |
| align="center" | Mobile | align="center" | 89 | align="center" | 48.9% | align="center" | 93 | align="center" | 51.1% | align="center" | 182 |
| align="center" | Monroe | align="center" | 931 | align="center" | 89.8% | align="center" | 106 | align="center" | 10.2% | align="center" | 1,037 |
| align="center" | Montgomery | align="center" | 531 | align="center" | 71.1% | align="center" | 216 | align="center" | 28.9% | align="center" | 747 |
| align="center" | Morgan | align="center" | 408 | align="center" | 52.7% | align="center" | 316 | align="center" | 47.3% | align="center" | 724 |
| align="center" | Perry | align="center" | 314 | align="center" | 84.9% | align="center" | 56 | align="center" | 15.1% | align="center" | 370 |
| align="center" | St. Clair | align="center" | 359 | align="center" | 68.5% | align="center" | 165 | align="center" | 31.5% | align="center" | 524 |
| align="center" | Shelby | align="center" | 59 | align="center" | 19.0% | align="center" | 251 | align="center" | 81.0% | align="center" | 310 |
| align="center" | Tuscaloosa | align="center" | 716 | align="center" | 65.5% | align="center" | 377 | align="center" | 34.5% | align="center" | 1,093 |
| align="center" | Washington | align="center" | 245 | align="center" | 52.5% | align="center" | 222 | align="center" | 47.5% | align="center" | 467 |
| Totals | 9,616 | 57.4% | 7,129 | 42.6% | 16,745 | ||||||