| Election Name: | 1986 United States Senate election in New Hampshire |
| Country: | New Hampshire |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1980 United States Senate election in New Hampshire |
| Previous Year: | 1980 |
| Next Election: | 1992 United States Senate election in New Hampshire |
| Next Year: | 1992 |
| Election Date: | November 4, 1986 |
| Image1: | Warren Rudman.jpg |
| Nominee1: | Warren Rudman |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 154,090 |
| Percentage1: | 62.96% |
| Nominee2: | Endicott Peabody |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 79,222 |
| Percentage2: | 32.37% |
| U.S. Senator | |
| Before Election: | Warren Rudman |
| Before Party: | Republican Party (United States) |
| After Election: | Warren Rudman |
| After Party: | Republican Party (United States) |
The 1986 United States Senate election in New Hampshire was held on November 4, 1986. Incumbent Republican U.S. Senator Warren Rudman won re-election to a second term. Defeating The Democratic Nominees Former Massachusetts Governor Endicott Peabody By a 63%-32% Landslide.