See main article: article and 1856 United States presidential election.
| Election Name: | 1856 United States presidential election in New Hampshire |
| Country: | New Hampshire |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1852 United States presidential election in New Hampshire |
| Previous Year: | 1852 |
| Election Date: | November 4, 1856 |
| Next Election: | 1860 United States presidential election in New Hampshire |
| Next Year: | 1860 |
| Image1: | John Charles Fremont crop.jpg |
| Nominee1: | John C. Frémont |
| Party1: | Republican Party (United States) |
| Home State1: | California |
| Running Mate1: | William L. Dayton |
| Electoral Vote1: | 5 |
| Popular Vote1: | 37,473 |
| Percentage1: | 53.71% |
| Nominee2: | James Buchanan |
| Running Mate2: | John C. Breckinridge |
| Party2: | Democratic Party (United States) |
| Home State2: | Pennsylvania |
| Electoral Vote2: | 0 |
| Popular Vote2: | 31,891 |
| Percentage2: | 45.71% |
| Map Size: | 300px |
| President | |
| Before Election: | Franklin Pierce |
| Before Party: | Democratic Party (United States) |
| After Election: | James Buchanan |
| After Party: | Democratic Party (United States) |
The 1856 United States presidential election in the New Hampshire took place on November 4, 1856, as part of the 1856 United States presidential election. Voters chose five representatives, or electors to the Electoral College, who voted for President and Vice President.
New Hampshire was won by former California Senator John C. Frémont, who won the state by a narrow vote margin of less than 6,000 votes. He then lost nationally to former United States Minister to the United Kingdom James Buchanan.