1st New Hampshire Heavy Artillery Regiment
| 1st New Hampshire Heavy Artillery Regiment | |
|---|---|
| Active | July 22, 1863-June 15, 1865 |
| Country | United States of America |
| Allegiance | Union |
| Type | artillery |
The 1st New Hampshire Heavy Artillery Regiment was an American Civil War regiment, first raised in 1863 for the defenses of Portsmouth Harbor in New Hampshire and Maine. They were later transferred to garrison the numerous fortifications of Washington, D.C.