See main article: 1848 United States presidential election.
| Election Name: | 1848 United States presidential election in New Hampshire |
| Country: | New Hampshire |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1844 United States presidential election in New Hampshire |
| Previous Year: | 1844 |
| Next Election: | 1852 United States presidential election in New Hampshire |
| Next Year: | 1852 |
| Election Date: | November 7, 1848 |
| Image1: | Lewis Cass circa 1855.jpg |
| Nominee1: | Lewis Cass |
| Party1: | Democratic Party (United States) |
| Home State1: | Michigan |
| Running Mate1: | William O. Butler |
| Electoral Vote1: | 6 |
| Popular Vote1: | 27,763 |
| Percentage1: | 55.41% |
| Nominee2: | Zachary Taylor |
| Party2: | Whig Party (United States) |
| Home State2: | Louisiana |
| Running Mate2: | Millard Fillmore |
| Electoral Vote2: | 0 |
| Popular Vote2: | 14,781 |
| Percentage2: | 29.50% |
| Image3: | Portrait of Martin Van Buren (cropped).jpg |
| Nominee3: | Martin Van Buren |
| Party3: | Free Soil Party |
| Home State3: | New York |
| Running Mate3: | Charles F. Adams |
| Electoral Vote3: | 0 |
| Popular Vote3: | 7,560 |
| Percentage3: | 15.09% |
| Map Size: | 300px |
| President | |
| Before Election: | James K. Polk |
| Before Party: | Democratic Party (United States) |
| Before Color: | FF3333 |
| After Election: | Zachary Taylor |
| After Party: | Whig Party (United States) |
| After Color: | FF3333 |
The 1848 United States presidential election in New Hampshire took place on November 7, 1848, as part of the 1848 United States presidential election. Voters chose six representatives, or electors to the Electoral College, who voted for President and Vice President.
New Hampshire voted for the Democratic candidate, Lewis Cass, over Whig candidate Zachary Taylor and Free Soil candidate former president Martin Van Buren. Cass won the state by a margin of 25.91%. This was the last time until 2004 that a Democrat carried New Hampshire without winning the presidency.