| Election Name: | 1858 Delaware gubernatorial election |
| Country: | Delaware |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1854 Delaware gubernatorial election |
| Previous Year: | 1854 |
| Next Election: | 1862 Delaware gubernatorial election |
| Next Year: | 1862 |
| Election Date: | November 2, 1858 |
| Image1: | William Burton (governor).jpg |
| Nominee1: | William Burton |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 6,941 |
| Percentage1: | 52.64% |
| Nominee2: | James S. Buckmaster |
| Party2 Name: | no |
| Party2: | People's Party |
| Popular Vote2: | 6,244 |
| Percentage2: | 47.36% |
| Map Size: | 210px |
| Governor | |
| Before Election: | Peter F. Causey |
| Before Party: | Know Nothing |
| After Election: | William Burton |
| After Party: | Democratic Party (United States) |
The 1858 Delaware gubernatorial election was held on November 2, 1858. Incumbent Know Nothing Governor Peter F. Causey was unable to seek re-election. His 1854 opponent, William Burton, once again ran as the Democratic nominee. James S. Buckmaster, the former State Treasurer, ran as the People's Party candidate. Burton narrowly defeated Buckmaster to win back the governorship for the Democratic Party.[1]