| Election Name: | 1798 New Hampshire gubernatorial election |
| Country: | New Hampshire |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1797 New Hampshire gubernatorial election |
| Previous Year: | 1797 |
| Next Election: | 1799 New Hampshire gubernatorial election |
| Next Year: | 1799 |
| Election Date: | March 13, 1798 |
| Nominee1: | John Taylor Gilman |
| Party1: | Federalist Party (United States) |
| Popular Vote1: | 9,397 |
| Percentage1: | 77.32% |
| Nominee2: | Oliver Peabody |
| Party2: | Democratic-Republican Party (United States) |
| Popular Vote2: | 1,189 |
| Percentage2: | 9.78% |
| Nominee3: | Timothy Walker |
| Party3: | Democratic-Republican Party (United States) |
| Popular Vote3: | 734 |
| Percentage3: | 6.04% |
| Governor | |
| Before Election: | John Taylor Gilman |
| Before Party: | Federalist Party (United States) |
| After Election: | John Taylor Gilman |
| After Party: | Federalist Party (United States) |
The 1798 New Hampshire gubernatorial election took place on March 13, 1798. Incumbent Federalist Governor John Taylor Gilman won re-election to a fifth term, easily defeating various minor candidates.