| Election Name: | 1804 Delaware gubernatorial election |
| Country: | Delaware |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1801 Delaware gubernatorial election |
| Previous Year: | 1801 |
| Next Election: | 1807 Delaware gubernatorial election |
| Next Year: | 1807 |
| Election Date: | October 2, 1804 |
| Nominee1: | Nathaniel Mitchell |
| Party1: | Federalist Party |
| Popular Vote1: | 4,391 |
| Percentage1: | 52.02% |
| Nominee2: | Joseph Haslet |
| Party2: | Democratic-Republican Party |
| Popular Vote2: | 4,050 |
| Percentage2: | 47.98% |
| Map Size: | 210px |
| Governor | |
| Before Election: | David Hall |
| Before Party: | Democratic-Republican Party |
| After Election: | Nathaniel Mitchell |
| After Party: | Federalist Party |
The 1804 Delaware gubernatorial election was held on October 2, 1804.
Incumbent Democratic-Republican Governor David Hall was not eligible for re-election under the Delaware Constitution of 1792.
Federalist nominee Nathaniel Mitchell defeated Democratic-Republican nominee Joseph Haslet with 52.02% of the vote.