| Election Name: | 1868 New Hampshire gubernatorial election |
| Country: | New Hampshire |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1867 New Hampshire gubernatorial election |
| Previous Year: | 1867 |
| Next Election: | 1869 New Hampshire gubernatorial election |
| Next Year: | 1869 |
| Election Date: | 10 March 1868 |
| Nominee1: | Walter Harriman |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 39,785 |
| Percentage1: | 51.62% |
| Nominee2: | John G. Sinclair |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 37,262 |
| Percentage2: | 48.34% |
| Map Size: | 245px |
| Governor | |
| Before Election: | Walter Harriman |
| Before Party: | Republican Party (United States) |
| After Election: | Walter Harriman |
| After Party: | Republican Party (United States) |
The 1868 New Hampshire gubernatorial election was held on 10 March 1868 in order to elect the governor of New Hampshire. Incumbent Republican governor Walter Harriman won re-election against Democratic nominee John G. Sinclair in a rematch of the previous election.[1]
On election day, 10 March 1868, incumbent Republican governor Walter Harriman won re-election by a margin of 2,523 votes against his opponent Democratic nominee John G. Sinclair, thereby retaining Republican control over the office of governor. Harriman was sworn in for his second term on 2 June 1868.[2]